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Related papers: Do Automatic Test Generation Tools Generate Flaky …

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Background: Test flakiness is identified as a major issue that compromises the regression testing process of complex software systems. Flaky tests manifest non-deterministic behaviour, send confusing signals to developers, and break their…

Software Engineering · Computer Science 2021-04-16 Sarra Habchi , Maxime Cordy , Mike Papadakis , Yves Le Traon

Flaky tests have gained attention from the research community in recent years and with good reason. These tests lead to wasted time and resources, and they reduce the reliability of the test suites and build systems they affect. However,…

Software Engineering · Computer Science 2021-03-05 Alan Romano , Zihe Song , Sampath Grandhi , Wei Yang , Weihang Wang

Flaky tests are tests that nondeterministically pass and fail in unchanged code. These tests can be detrimental to developers' productivity. Particularly when tests run in continuous integration environments, the tests may be competing for…

Software Engineering · Computer Science 2024-10-28 Denini Silva , Martin Gruber , Satyajit Gokhale , Ellen Arteca , Alexi Turcotte , Marcelo d'Amorim , Wing Lam , Stefan Winter , Jonathan Bell

Flaky tests yield different results when executed multiple times for the same version of the source code. Thus, they provide an ambiguous signal about the quality of the code and interfere with the automated assessment of code changes.…

Software Engineering · Computer Science 2026-02-04 Alexander Berndt , Thomas Bach , Sebastian Baltes

Flaky tests pass and fail non-deterministically when run on the same version of code. Although many techniques have been proposed to detect, debug, and repair flaky tests, reproducing their failures remains a major challenge due to their…

Software Engineering · Computer Science 2026-05-22 Suzzana Rafi , Mahbub-Ul-Hoque Sumon , Md Erfan , Maruf Morshed Khan , August Shi , Wing Lam

Non-deterministically behaving (i.e., flaky) tests hamper regression testing as they destroy trust and waste computational and human resources. Eradicating flakiness in test suites is therefore an important goal, but automated debugging…

Software Engineering · Computer Science 2023-05-09 Martin Gruber , Gordon Fraser

Background: Test flakiness is a major problem in the software industry. Flaky tests fail seemingly at random without changes to the code and thus impede continuous integration (CI). Some researchers argue that all tests can be considered…

Software Engineering · Computer Science 2024-09-17 Alexander Berndt , Thomas Bach , Sebastian Baltes

Flaky tests are tests that pass and fail on different executions of the same version of a program under test. They waste valuable developer time by making developers investigate false alerts (flaky test failures). To deal with this problem,…

Software Engineering · Computer Science 2023-02-22 Guillaume Haben , Sarra Habchi , Mike Papadakis , Maxime Cordy , Yves Le Traon

Flaky tests obstruct software development, and studying and proposing mitigations against them has therefore become an important focus of software engineering research. To conduct sound investigations on test flakiness, it is crucial to…

Software Engineering · Computer Science 2023-05-09 Martin Gruber , Gordon Fraser

Regression testing aims to prevent code changes from breaking existing features. Flaky tests negatively affect regression testing because they result in test failures that are not necessarily caused by code changes, thus providing an…

Software Engineering · Computer Science 2024-10-01 Alexander Berndt , Sebastian Baltes , Thomas Bach

Research in the area of automated test generation has seen remarkable progress in recent years, resulting in several approaches and tools for effective and efficient generation of test cases. In particular, the EvoSuite tool has been at the…

Software Engineering · Computer Science 2025-01-17 Fitsum Kifetew , Davide Prandi , Angelo Susi

A flaky test yields inconsistent results upon repetition, posing a significant challenge to software developers. An extensive study of their presence and characteristics has been done in classical computer software but not quantum computer…

Software Engineering · Computer Science 2025-01-14 Lei Zhang , Andriy Miranskyy

Automatic test generation aims to save developers time and effort by producing test suites with reasonably high coverage and fault detection. However, the focus of search-based generation tools in maximizing coverage leaves other…

Software Engineering · Computer Science 2025-04-11 Geraldine Galindo-Gutierrez

Automated regression testing is a cornerstone of modern software development, often contributing directly to code review and Continuous Integration (CI). Yet some tests suffer from flakiness, where their outcomes vary non-deterministically.…

Software Engineering · Computer Science 2026-05-29 Tao Xiao , Dong Wang , Shane McIntosh , Hideaki Hata , Yasutaka Kamei

Test flakiness, a non-deterministic behavior of builds irrelevant to code changes, is a major and continuing impediment to delivering reliable software. The very few techniques for the automated repair of test flakiness are specifically…

Software Engineering · Computer Science 2024-04-16 Yang Chen , Reyhaneh Jabbarvand

Automated test generation has a substantial body of work, yet most studies focus on generating tests for complete software units, such as classes, and rely on metrics such as code coverage for assessment. In contrast, modern software…

Software Engineering · Computer Science 2026-05-26 Vahid Haratian , Atakan Akar , Berk Çakar , Eray Tüzün

Test flakiness is a common problem in industry, which hinders the reliability of automated build and testing workflows. Most existing research on test flakiness has primarily focused on unit and small-scale integration tests. In contrast,…

Software Engineering · Computer Science 2026-03-31 Man Zhang , Chongyang Shen , Andrea Arcuri , Tao Yue

Automated test generation (ATG), which aims to reduce the cost of manual test suite development, has been investigated for decades and has produced countless techniques based on a variety of approaches: symbolic analysis, search-based,…

Software Engineering · Computer Science 2026-05-26 Rangeet Pan , Tyler Stennett , Raju Pavuluri , Nate Levin , Alessandro Orso , Saurabh Sinha

Software testing assures that code changes do not adversely affect existing functionality. However, a test case can be flaky, i.e., passing and failing across executions, even for the same version of the source code. Flaky test cases…

Software Engineering · Computer Science 2022-09-02 Sakina Fatima , Taher A. Ghaleb , Lionel Briand

Web end-to-end (e2e) testing evaluates the workflow of a web application. It simulates real-world user scenarios to ensure the application flows behave as expected. However, web e2e tests are notorious for being flaky, i.e., the tests can…

Software Engineering · Computer Science 2024-05-21 Xinyue Liu , Zihe Song , Weike Fang , Wei Yang , Weihang Wang