Regression Testing In Agile: Significance, Challenges, And Strategies

February 13, 2023
Natalie Thorburn

Regression testing is often seen as an obstacle to agile development. This is because it can be time-consuming and add to the already pressured schedules of agile teams. However, done correctly, regression testing can be a valuable tool in ensuring the quality of software releases. This article discusses the challenges of regression testing in agile environments and outlines some strategies for overcoming these challenges.

What Is Regression Testing?

Regression testing is a type of testing that is used to verify that a software application has not regressed or deteriorated since the last release. It is a way of ensuring that changes to the code have not introduced new bugs. Regression testing is typically done by re-running tests previously carried out on the software to see if the results are still the same.

Why Is Regression Testing Important In Agile?

In agile development, new features are added in small increments, with each increment being released to users as soon as it is complete. Unfortunately, this means there is a constant risk of regression or deterioration of the software. Regression testing helps mitigate this risk by verifying that the software works as expected after each change.

What Are The Challenges Of Regression Testing In Agile?

Several challenges can make regression testing difficult in agile environments. These include:

1. The constant stream of changes means that the regression test suite can quickly become outdated.

2. The need for speed can lead to shortcuts in the regression testing process, which can lead to missed errors.

3. The lack of a dedicated regression testing team can lead to regression testing being given low priority and not being carried out thoroughly.

4. The limited time for regression testing can lead to it being seen as a burden rather than an opportunity to improve quality.

How Can These Challenges Be Overcome?

Several strategies can be used to overcome the challenges of regression testing in agile. These include:

1. Automating the regression test suite. This can help keep the test suite up to date and reduce the time needed to run regression tests.

2. Using a dedicated regression testing team. This can help ensure that regression testing is given the attention it deserves.

3. Using regression testing tools. This can help automate the regression testing process and make it more efficient.

4. Breaking the regression testing down into smaller tasks. This can help to make it more manageable and less daunting.

5. Planning for regression testing. This can help ensure that enough time is allocated for regression testing and given its importance.

Which One Is Better Regression Testing Vs. Retesting In An Agile Environment?

There is no clear winner when it comes to regression vs. retesting in an agile environment. Both approaches have their advantages and disadvantages.

Regression Testing

Regression testing can be more thorough, as it tests all aspects of the software to ensure that no new bugs have been introduced. However, this approach can also be time-consuming and may not be necessary if only a few changes have been made.


Retesting, on the other hand, is faster and focuses only on the areas of the code that have been changed. While this may lead to some bugs being missed, it can also save time in the long run. Ultimately, the best approach depends on the specific needs of the project.

Things To Take Care Of While Choosing An Automation Tool For Regression Testing

Many different automation tools are available, so it can be challenging to choose the best one. However, here are a few things you should consider when selecting an automation tool for regression testing:

- Ease of use: The automation tool should be easy to set up and use. It should have clear instructions and a user-friendly interface.

- Compatibility: The automation tool should be compatible with the software application it will use. Otherwise, it may not work properly or may not work at all.

- Cost: Automation tools can vary greatly in price. While some are free or have very low monthly fees, others can be expensive. Therefore, it is important to consider the cost of the tool before making a purchase.

By taking these factors into account, you should be able to choose the best automation tool.


Regression testing is an important part of agile development. It can help ensure software releases' quality and prevent bugs from being introduced into the code. However, regression testing can be challenging in agile environments.

Breaking the task into smaller chunks can also help overcome some challenges. Planning for regression testing is also important to ensure that it is given the time and attention it deserves.


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