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December 5, 2023

80/20 Pareto Principle in QA

In the ever-evolving field of software testing, the Pareto Principle, commonly known as the 80/20 rule, has emerged as a cornerstone for efficient testing strategies. With a decade of experience in Quality Assurance (QA), I've seen firsthand how this principle can be a game changer in acceptance testing. In this blog, we'll delve into the Pareto Principle and its application in prioritizing test cases for acceptance testing.

Vilfredo Pareto

Understanding the Pareto Principle

The Pareto Principle, initially observed by Vilfredo Pareto, states that roughly 80% of effects come from 20% of causes. In the context of QA, this translates to the idea that a majority of software issues are often due to a small portion of all possible causes.

Application in Acceptance Testing

Acceptance testing is a critical phase in software development where we verify whether the system meets the business requirements. It's the final checkpoint before the software reaches the end user, making the selection of test cases crucial. Here's how the Pareto Principle aids in this process:

1. Identifying Critical Test Cases

Not all test cases are created equal. Some have a higher impact on the overall system functionality than others. By applying the 80/20 rule, we focus on identifying the 20% of test cases that are likely to uncover 80% of the most crucial bugs. These often include core functionalities and features most frequently used by end-users.

2. Resource Optimization

In any project, resources ? be it time, manpower, or tools ? are always limited. The Pareto Principle helps in allocating these resources effectively. By targeting the most significant test cases first, teams ensure that the majority of potential defects are caught early, saving time and effort in the long run.

3. Risk Management

Acceptance testing is not just about finding bugs but also about risk management. The 80/20 rule aids in identifying areas with the highest risk and potential impact on the system's performance and stability. Focusing on these areas ensures that critical issues are addressed before the product release.

4. Enhancing Test Coverage

While it may seem counterintuitive, concentrating on the most impactful 20% of test cases can lead to better test coverage. This approach ensures that testing is more focused and comprehensive in areas that matter the most.

5. Continuous Improvement

The Pareto Principle also plays a vital role in the continuous improvement of the testing process. By regularly analyzing which test cases fall into the critical 20%, QA teams can adjust and evolve their testing strategies to stay aligned with changing user requirements and system functionalities.


Incorporating the Pareto Principle in acceptance testing is not just a strategy but a mindset shift. It encourages QA professionals to think critically about the value and impact of each test case. By focusing on the most significant test cases, teams can ensure that they are efficiently utilizing their resources while maintaining high standards of quality and reliability in the software they deliver.

Remember, the goal of applying the Pareto Principle in acceptance testing is to maximize efficiency without compromising on quality. It's about working smarter, not harder, to achieve the best possible outcomes in the realm of software quality assurance.

November 28, 2023

Wearing the Red Coat in Software Engineering

QA Red Team


In the world of software engineering, the Quality Assurance (QA) team often plays a critical, albeit understated, role. Drawing an analogy from Ozan Varol's insightful book, "Think Like a Rocket Scientist," we can liken the role of QA professionals to wearing the "Red Coat," a concept rooted in red teaming strategies. Here, I share insights from my decade-long experience in QA and explore how this role acts as the red team in the engineering world, ensuring the robustness and reliability of software products.

The Red Coat Analogy in QA

In "Think Like a Rocket Scientist," Varol describes how red teams play the adversary, aiming to uncover weaknesses in the blue team's strategies. In software engineering, QA professionals wear the Red Coat, symbolizing their role as the first line of defense against potential failures. We deep dive into the depths of software, much like a red team, to identify vulnerabilities, bugs, and areas of improvement that could otherwise lead to significant issues post-deployment.

QA: The Unsung Heroes in Engineering

QA teams often operate in the background, meticulously testing and retesting software to ensure its quality. Our work is crucial yet frequently goes unnoticed ? until something goes wrong. By rigorously challenging the assumptions and work of the development team (akin to the blue team), we prevent potential crises, safeguard user experience, and uphold the software's integrity.

The Proactive Approach of QA

The essence of wearing the Red Coat in QA is not just about finding faults but adopting a proactive approach. We don't just look for what is broken; we anticipate where and how software might fail. This forward-thinking mindset enables us to contribute significantly to the planning and development phases, ensuring that potential issues are addressed before they become real problems.

Q A Dealing Crisis2023

Collaboration and Challenge

Effective QA is not about working in opposition to the development team but in collaboration with them. We challenge assumptions not to criticize but to strengthen the final product. This collaborative tension is essential for innovation and quality, much like the dynamic between the red and blue teams described by Varol.

Tools and Techniques in QA Red Teaming

In our arsenal are various tools and techniques ? from automated testing frameworks to manual exploratory testing. We simulate adverse conditions, stress test systems, and think like the end-user, constantly asking, "What could possible go wrong?" Our goal is to ensure that when the software faces real-world challenges, it performs seamlessly.

Conclusion: Embracing the Red Coat Philosophy

As QA professionals, embracing the Red Coat philosophy means standing out and being the critical voice that ensures software excellence. Our role is vital in catching the unseen, questioning the status quo, and pushing for higher standards. In the grand scheme of software engineering, we are not just testers; we are guardians of quality, playing a pivotal role in the successful launch and operation of software products.

In conclusion, the next time you use a software application that works flawlessly, remember the Red Coats behind the scenes ? the QA teams who have tirelessly worked to make your digital experience seamless and efficient.

November 21, 2023

Bringing Fun to the Forefront of Quality

Fun In QA

The Intersection of Enjoyment and Excellence

As a Quality Assurance (QA) professional with a decade of experience in software testing, I've learned that the most effective and enjoyable way to achieve excellence is by incorporating fun into the process. Here, I want to share insights on how infusing fun into QA practices can transform the way we approach software testing.

Why Fun Matters in QA

1. Enhanced Engagement: Fun in the workplace isn't just about enjoyment; it's a tool for better engagement. When QA teams are enjoying their work, they're more likely to be deeply engaged, leading to more thorough and creative testing.

2. Creativity Unleashed: Approaching tasks with a playful mindset encourages out-of-the-box thinking. This creativity is crucial in QA, where unconventional methods often uncover the most elusive bugs.

3. Stress Reduction: Software testing can be a high-pressure job. Integrating fun into our daily routines helps in alleviating stress, leading to improved focus and productivity.

Strategies for Incorporating Fun in QA

1. Gamification: Transforming routine testing tasks into games can be incredibly motivating. Leaderboards, challenges, and rewards for uncovering bugs can turn mundane tasks into exciting quests.

2. Team-building Activities: Regular team-building exercises, whether they're casual gaming sessions or problem-solving challenges, foster a sense of camaraderie and make the workplace more enjoyable.

3. Continuous Learning Culture: Encouraging a culture of continuous learning and experimentation keeps the work environment dynamic and intellectually stimulating. Hosting hackathons, innovation days, or learning sessions can be both fun and enriching.

4. Celebrating Successes and Failures: Recognizing both successes and failures in a lighthearted manner promotes a positive and balanced work culture. Celebrating 'Bug of the Month' or 'Most Innovative Test Approach' can add an element of fun to the team's achievements and learning experiences.

My Personal Approach: Fun with a Purpose

In my own journey as a QA professional, I've always strived to blend fun with functionality. Here are some personal practices I've adopted:

  • Bug Bingo: Creating a 'Bug Bingo' card with different types of bugs. It's a playful way to encourage comprehensive testing.
  • Mystery Missions: Assigning surprise 'mystery missions' where team members are given unexpected and fun tasks related to testing.
  • Creative Brainstorming Sessions: Holding regular brainstorming sessions where no idea is too outrageous, often leading to innovative testing strategies.

Conclusion: Fun as a Serious Business Tool

In conclusion, bringing fun to the forefront of quality isn't about not taking our work seriously. It's about recognizing that enjoyment and engagement are powerful tools for achieving excellence in QA. By making our work environment more enjoyable, we're not just having fun; we're building a more effective, creative, and committed QA team.

November 14, 2023

Finding the Invisible Bug

Invisible Bug

Quality assurance (QA) plays an important role in ensuring that software products meet the required standards of functionality, usability, and reliability. One of the most challenging tasks for QA is to find the invisible bug - a bug that is not easily noticeable and may cause serious issues in the product.

The invisible bug can be elusive and hard to detect. It may occur only in certain scenarios, under specific conditions, or with certain combinations of input data. It may also have a subtle impact on the product's behavior, such as slowing down the system, causing data corruption, or making the product unreliable.

The key to finding the invisible bug is to approach the testing process with a critical and investigative mindset. QA should not rely solely on automated testing tools but also use exploratory testing, where testers manually interact with the product to identify potential issues.

Catching the Invisible Bug

QA should also test the product under different scenarios and conditions, including edge cases and negative testing, to uncover any hidden bugs. Edge cases are scenarios that lie at the boundaries of the product's functionality, where unexpected behavior may occur. Negative testing is testing the product with invalid or unexpected input data to see how it handles errors and exceptions.

In addition, QA should use various testing techniques, such as regression testing, integration testing, and performance testing, to identify any hidden bugs that may have been introduced during development.

Another useful technique is to involve stakeholders in the testing process, including product owners, developers, and end-users. Their input and feedback can help identify issues that QA may not have noticed.

Finally, it's essential to keep track of previous bugs and issues that have been fixed, as well as the product's history and development timeline. This knowledge can help QA identify potential areas of concern and focus their testing efforts accordingly.

Final Thoughts

In conclusion, finding the invisible bug is a challenging task for QA, but it is crucial to ensure that the product meets the required standards of functionality, usability, and reliability. By approaching the testing process with a critical and investigative mindset, using various testing techniques, involving stakeholders, and keeping track of previous bugs, QA can increase the likelihood of uncovering any hidden bugs and ensuring a high-quality product.

November 7, 2023

Test Plan in SaaS Environment

Test Plan Header

Hello, Quality Assurance enthusiasts! This week, we're diving into the world of Software as a Service (SaaS) and uncovering the secrets to developing a successful test plan. As the backbone of any QA process, especially in the dynamic SaaS landscape, a well-crafted test plan is crucial. Let's explore how QA leads can create effective test plans at the start of a new product development cycle.

Understanding the SaaS Landscape

Before we delve into test planning, it's important to understand what sets SaaS apart. Its characteristics?like cloud hosting, continuous updates, and diverse user base?present unique challenges and opportunities for quality testing.

Key Elements of a Successful SaaS Test Plan

  1. Comprehensive Requirement Analysis:
  • Understand the business goals, user needs, and technical specifications.
  • Collaborate with stakeholders to align the test objectives with business objectives.
  1. Risk Assessment and Prioritization:
  • Identify potential risks in application functionalities.
  • Prioritize tests based on the risk and impact analysis.
  1. Scalability and Performance Testing Strategy:
  • Plan for scalability tests to ensure the application can handle growth in user numbers and data volume.
  • Include performance benchmarks to test under different loads.
  1. Security and Compliance Checks:
  • Security is paramount in SaaS. Include thorough security testing, focusing on data protection, authentication, and authorization.
  • Ensure compliance with relevant legal and industry standards.
  1. Cross-Platform and Browser Compatibility:
  • SaaS applications should work seamlessly across various platforms and browsers. Include tests for compatibility.
  1. Automation Strategy:
  • Implement automation for repetitive and regression tests to save time and enhance efficiency.
  1. Testing for Frequent Releases:
  • Plan for continuous testing to accommodate regular updates and feature releases.
  1. User Experience Testing:
  • Ensure the interface is intuitive and user-friendly, keeping in mind diverse user demographics.
  1. Feedback Loops and Continuous Improvement:
  • Establish mechanisms for gathering user feedback and incorporate this into continuous testing.

Crafting the Test Plan in the Software Development Cycle

  • Early Involvement: Engage QA leads from the initial stages of product development for better understanding and alignment.
  • Iterative Approach: Adapt the test plan as the product evolves through its development cycle.
  • Collaboration with Development Teams: Foster a culture of collaboration and communication between QA and development teams.


In the fast-paced world of SaaS, a robust test plan is not just a necessity but a catalyst for success. By focusing on these key elements and integrating testing seamlessly into the software development cycle, QA leads can ensure that their SaaS products are not only functional but also secure, scalable, and user-friendly.

Remember, in SaaS, quality is not a destination but a continuous journey!

October 31, 2023

Happy Halloween!

Happy Halloween 2023!

Today is the last day of the Month and usually teams are rushing to get releases out to make their sprint deadlines.

Here's an appropriate Halloween-inspired graphic to announce release day on Slack or whatever communication tool your company is using.

/ Happy Release Day2023

QA Graphic Library

Make sure to check out the QA Graphic Library of all the various QA Memes for your entertainment needs.

There are three additional Halloween-inspired images in the library.

If you have any graphic files that you would like to see, let me know!

October 24, 2023

Glitchy George Not Really Caring

QA- Halloween

As a QA Manager for the past 5 years, I have seen my fair share of QA horror stories. But one story that stands out is that of "Glitchy George".

George was a QA engineer who didn't care much about his job. He would always find excuses to work from home, even when it was discouraged. And when he was working from home, he was often distracted and didn't put in a full day's work.

George also didn't communicate the results of his tests very well. His bug reports were often vague and incomplete, making it difficult to understand what he had tested and what problems he had found. It wasn't easy to understand if he did any outside-of-the-box testing.

But the worst thing about George was that he just wasn't motivated to improve the quality of the company's software. He would often test the bare minimum and then pass the release on, even if he knew there were still bugs in the code.

Lazy George Working

George Story

One day, we were releasing a new version of our flagship product. George was responsible for testing the new features, but he didn't put much effort into it. He just ran through a few basic tests and then passed the release on to me.

I reviewed George's test results and found that he had missed several critical bugs. I tried to talk to him about it, but he was dismissive and said that the bugs were probably not serious.

I decided to do my own testing, and I found that the bugs were indeed serious. One of the bugs could have caused the product to crash, and another bug could have exposed sensitive user data.

I had to delay the release and work with the development team to fix the bugs. This caused a lot of problems for the company, and I was very disappointed in George.

Several people taked to me about his performance, and they were worried about the overall quality of the work that he was doing. Over time, George did improve his testing and communications. A year after being talked to, he left the company.

George Is Gone

Moral of the story

A motivated and engaged QA team is essential for delivering high-quality software. If you have a QA engineer who is not motivated or is not doing their job well, it is important to address the issue early on.

To protect the innocent, Glitchy George is an alias name for the troubled QA.

October 17, 2023

The Reign of Dominic "The Machiavore" Steele

Angry Manager

In the dark corners of the corporate world, where stress and pressure fuse into a toxic blend, stories emerge that send shivers down the spines of even the bravest professionals. This week, we delve into the chilling tale of Dominic "The Machiavore" Steele, a QA Manager whose aggressive manipulation tactics left a trail of broken spirits and shattered confidence in his wake.

In the hushed confines of the office corridors, QA engineers whispered in fearful tones about Dominic's infamous wrath. He was not just a manager; he was a tyrant, a relentless force who thrived on verbal abuse and public humiliation. Meetings with him were like stepping into a battlefield, where QA engineers faced the onslaught of his sharp tongue and biting words. Dominic's rage knew no bounds, particularly when bugs slipped through the cracks or when he deemed test cases lacked the quality he demanded.

One harrowing incident etched in the memories of all who witnessed it was when Dominic unleashed his fury upon a co-worker right on the engineering floor. The air crackled with tension as his voice thundered, reducing the poor soul to tears. It was a stark reminder of the human cost of Dominic's aggressive management style.

The aftermath of these encounters was a toxic atmosphere where fear ruled and creativity withered. Dominic's reign of terror persisted until, one day, he vanished from the office landscape. The exact circumstances of his departure remained a mystery. Did he finally face the consequences of his actions, or was he quietly ushered out, leaving behind a wake of trauma and scars?

The tale of Dominic "The Machiavore" Steele serves as a chilling reminder that beneath the facade of professionalism, monsters can lurk. It also stands as a testament to the resilience of QA professionals who, despite enduring the horrors of such managers, continue to strive for quality and excellence in their work. Join us next week as we uncover another spine-chilling QA horror story, reminding us all of the importance of fostering a nurturing and respectful work environment.

One More Thing

The names of the Aggressive Manipulator has been change to protect the identify of all those involved.

October 10, 2023

Bad Test Case vs Good Test Case

Bad and Good Test Case

Test Cases are an important part of testing. There's a right way and a wrong way to write a test case. Do it the wrong way and you risk the value of the test case.

Here's an example of the Wrong Way / Right Way situation.

Bad Test Case

Test Case Name: Check that works


  1. Go to
  2. Type something in the search bar
  3. Press Enter

Expected Result: Google returns some search results

This test case is bad for the following reasons:

  • It is too vague. It does not specify what to type in the search bar, or how to verify that Google returned some search results.
  • It does not test any negative cases. For example, what happens if the user types in an invalid search query? What happens if the user's internet connection is down?
  • It is not comprehensive. It does not test all of the possible ways that could be used. For example, what happens if the user clicks on one of the search results? What happens if the user clicks on the "Settings" button?

Good Test Case

Test Case Name: Verify that returns relevant search results for a valid search query


  1. Go to
  2. Type "cats" in the search bar
  3. Press Enter
  4. Verify that the top 10 search results are all relevant to the search query "cats"

Expected Result: The top 10 search results are all relevant to the search query "cats"

This test case is better because it is more comprehensive. It tests a scenario that is more likely to occur in real life (a user wanting to find relevant search results), and it includes a step to verify the expected result for that scenario.

October 3, 2023

Finding the Right Balance

In today's fast-paced digital landscape, automation has become the cornerstone of efficiency, allowing businesses to streamline processes, enhance productivity, and deliver exceptional results. However, there exists a trilemma ? a dilemma with three options ? when it comes to automation: Quality, Cheap, and Fast. Unfortunately, you can only pick two. Let's explore the implications of each combination.

QA Sign

Quality and Cheap

When Quality and Cheap are the chosen parameters for automation, businesses prioritize delivering top-notch results without breaking the bank. Here's what to expect:

  1. Comprehensive Testing: Automated systems meticulously test every aspect of the product or service, ensuring it meets the highest quality standards. This rigorous testing identifies even the smallest flaws, guaranteeing a robust final product.

  2. Cost-Effectiveness: Despite the focus on quality, businesses employing cost-effective automation methods can optimize their budgets. By selecting the right tools and technologies, companies can achieve exceptional results without overspending.

  3. Time Consideration: Although the emphasis is on delivering quality within a budget, the timeline for completion might be extended. Thorough testing and careful implementation take time, ensuring that the final product is flawless.

Quality and Fast

When Quality and Fast are the chosen parameters, businesses prioritize delivering superior results within a tight timeframe. Here's what to expect:

  1. High-Quality Output: Automated processes ensure that the end product meets the highest quality standards. Rapid but meticulous testing identifies and resolves issues swiftly, ensuring a flawless user experience.

  2. Timely Delivery: With a focus on speed, businesses employing fast automation methods can deliver results swiftly. This is particularly advantageous in competitive markets where being the first to market can be a game-changer.

  3. Cost Implications: While quality and speed are achieved, this approach might require a higher budget. Expedited processes often necessitate cutting-edge technologies and a dedicated team, which could increase overall costs.

In conclusion, finding the right balance between Quality, Cheap, and Fast automation is a challenge that businesses face in their pursuit of operational excellence. Each combination has its advantages and challenges, making it essential for companies to assess their unique needs and objectives.

Understanding the nuances of each approach enables businesses to make informed decisions, align their strategies with their goals, and ultimately deliver exceptional products or services to their customers. Whether prioritizing quality and affordability or focusing on quality and speed, the key lies in striking a balance that aligns with the organization's vision and customer expectations.


The purpose of these blog posts is to provide you with all the information you ever wanted to know about Software Quality Assurance testing but were afraid to ask. These blog posts will cover topics, such as what is software quality assurance testing, how to create test plans, how to design test cases, and how to create automated tests. They will also cover best practices for software quality assurance testing and provide tips and tricks to make testing more efficient and effective.

Check out all the Blog Posts.


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