When you first start using Selenium, everything seems to work great. Your tests run smoothly, bugs get caught early, and automation feels like a dream. <\/p>\n\n\n\n
But then, out of nowhere, tests that used to pass start failing for no clear reason. <\/p>\n\n\n\n
That\u2019s when you know you’re dealing with a flaky test.<\/p>\n\n\n\n
But the good news is: you\u2019re not alone, and these tests can be fixed.<\/p>\n\n\n\n
In this blog, we\u2019ll explain what flaky tests are, the common reasons they happen in Selenium, and 6 easy fixes to stop flaky Selenium tests.<\/p>\n\n\n\n
A flaky test<\/a> is a test that sometimes passes and sometimes fails even when the code hasn\u2019t changed.\u00a0<\/p>\n\n\n\n One day it runs fine, and the next day, it fails for no reason. This makes it hard to trust your test results, especially when you’re using CI\/CD<\/a> tools to automate your workflow.<\/p>\n\n\n\n If you\u2019re just starting with automation testing and want hands-on experience with tools like Selenium, check out this Selenium Automation Testing Course<\/a>.<\/p>\n\n\n\n Web pages often load parts of the content after the page first appears. If Selenium<\/a> tries to click something before it\u2019s ready, the test fails.<\/p>\n\n\n\n Fix: Use Explicit Waits Instead of Instead of making the test wait a fixed time, use explicit waits<\/strong> to pause only until the element is ready.<\/p>\n\n\n\n Example:<\/strong><\/p>\n\n\n\n In this example, the code will wait until the sign-in button is visible before it tries to click it, which avoids issues where the button might not be ready yet.<\/p>\n\n\n\n Learning the right way to wait for elements and handle timing issues is key. This Selenium with Java course<\/a> explains those concepts with real-world examples you can practice right away.<\/p>\n\n\n\n Sometimes the element you want to click is not yet visible or is covered by something else. Clicking it at the wrong time causes the test to fail.<\/p>\n\n\n\n Fix: Check if Element is Displayed and Enabled<\/strong><\/p>\n\n\n\n Make sure the element is actually visible and clickable before you interact with it.<\/p>\n\n\n\n Example:<\/strong><\/p>\n\n\n\n A simple check like this can prevent unnecessary failures.<\/p>\n\n\n\n This error happens when Selenium tries to interact with an element that has changed or no longer exists on the page. It\u2019s common when the page refreshes or updates dynamically.<\/p>\n\n\n\n Fix: Re-locate the Element Before Clicking<\/strong><\/p>\n\n\n\n Just find the element again right before using it.<\/p>\n\n\n\n Example:<\/strong><\/p>\n\n\n\n This ensures you\u2019re working with the latest version of that element in the DOM<\/a>.<\/p>\n\n\n\n Some tests pass in one browser but fail in another because browsers can behave differently. What works in Chrome might break in Firefox or Edge.<\/p>\n\n\n\n Fix: Run Cross-Browser Tests<\/strong><\/p>\n\n\n\n Use Selenium Grid or tools like BrowserStack to test your site in multiple browsers.<\/p>\n\n\n\n Example:<\/strong><\/p>\n\n\n\n This helps catch browser-specific issues early.<\/p>\n\n\n\n Flaky tests sometimes happen because the data you’re using is wrong, maybe expired login info or missing product IDs.<\/p>\n\n\n\n Fix: Use Data-Driven Testing<\/strong><\/p>\n\n\n\n Instead of hardcoding your test data, use a DataProvider to load it from files or other sources.<\/p>\n\n\n\n Example with TestNG:<\/strong><\/p>\n\n\n\n Running the same test with different sets of valid data makes it more reliable.<\/p>\n\n\n\n Sometimes your test fails because the environment isn\u2019t stable. This includes things like server timeouts, missing dependencies, or network issues.<\/p>\n\n\n\n Fix: Use a Stable, Isolated Environment<\/strong><\/p>\n\n\n\n Use tools like Docker<\/a><\/strong> or virtual machines<\/strong> to keep your test environment consistent and separate from other changes.<\/p>\n\n\n\n If you\u2019re aiming to grow in this field, make sure you also build the right skillset. Here\u2019s a blog on essential skills every automation tester should have<\/a>.<\/p>\n\n\n\n Flaky tests can feel like a nightmare, especially when they keep failing for no obvious reason. <\/p>\n\n\n\n But most of the time, they\u2019re caused by common issues like timing problems, outdated elements, or unstable data.<\/p>\n\n\n\n The good news? These problems can be fixed with a few smart changes. Using explicit waits, checking if elements are ready, re-locating elements, testing across browsers, and improving your data and environment setup.<\/p>\n\n\n\n Once your tests become stable, you\u2019ll spend less time debugging and more time building. And that\u2019s exactly what good automation should do: make life easier.<\/p>\n\n\n\n If you’re preparing for job interviews, don\u2019t miss this helpful guide on\u00a0automation testing interview questions and answers<\/a>. It covers what most companies ask during Selenium automation interviews.<\/a><\/p>\n\n\n\n 1. What causes a Selenium test to be flaky?<\/strong> These problems make the test pass sometimes and fail other times, even if nothing has changed in your code.<\/p>\n\n\n\n 2. How do I make my Selenium test more stable?<\/strong> Also, avoid hardcoding delays or relying on unstable environments.<\/p>\n\n\n\n 3. Can flaky tests be completely avoided?<\/strong> When you first start using Selenium, everything seems to work great. Your tests run smoothly, bugs get caught early, and automation feels like a dream. But then, out of nowhere, tests that used to pass start failing for no clear reason. That\u2019s when you know you’re dealing with a flaky test. But the good news […]<\/p>\n","protected":false},"author":39,"featured_media":82132,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"views":"2218","authorinfo":{"name":"Leema Josephine","url":"https:\/\/www.guvi.in\/blog\/author\/leema-josephine-s\/"},"thumbnailURL":"https:\/\/www.guvi.in\/blog\/wp-content\/uploads\/2025\/06\/Fixes-to-Stop-Flaky-Selenium-Tests-300x112.webp","jetpack_featured_media_url":"https:\/\/www.guvi.in\/blog\/wp-content\/uploads\/2025\/06\/Fixes-to-Stop-Flaky-Selenium-Tests.webp","_links":{"self":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts\/82115"}],"collection":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/comments?post=82115"}],"version-history":[{"count":12,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts\/82115\/revisions"}],"predecessor-version":[{"id":86516,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts\/82115\/revisions\/86516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/media\/82132"}],"wp:attachment":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/media?parent=82115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/categories?post=82115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/tags?post=82115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Common Causes (and Fixes to Stop Flaky Selenium Tests)<\/h2>\n\n\n\n
1. Timing Issues – The \u201cRace Condition\u201d<\/strong><\/h3>\n\n\n\n
Thread.sleep<\/code>()<\/strong><\/p>\n\n\n\nWebDriverWait wait = new WebDriverWait(driver, 10);\n\nWebElement signInButton = wait.until(\n\n ExpectedConditions.visibilityOfElementLocated(By.id(\"nav-link-accountList\"))\n\n);\n\nsignInButton.click();<\/code><\/pre>\n\n\n\n2. Element Not Interactable<\/strong><\/h3>\n\n\n\n
WebElement signInButton = driver.findElement(By.id(\"nav-link-accountList\"));\n\nif (signInButton.isDisplayed() && signInButton.isEnabled()) {\n\n signInButton.click();\n\n} else {\n\n System.out.println(\"Element not interactable\");\n\n}<\/code><\/pre>\n\n\n\n3. Stale Element Reference Exception<\/strong><\/h3>\n\n\n\n
element = driver.findElement(By.id(\"dynamicElement\"));\n\nelement.click(); \/\/ Use fresh reference<\/code><\/pre>\n\n\n\n4. Browser-Specific Issues<\/strong><\/h3>\n\n\n\n
if(browser.equalsIgnoreCase(\"chrome\")) {\n\n driver = new ChromeDriver();\n\n} else if (browser.equalsIgnoreCase(\"edge\")) {\n\n driver = new EdgeDriver();\n\n}<\/code><\/pre>\n\n\n\n5. Incorrect Test Data<\/strong><\/h3>\n\n\n\n
@DataProvider(name = \"loginData\")\n\npublic Object[][] createData() {\n\n return new Object[][] {\n\n { \"user1@example.com\", \"password1\" },\n\n { \"user2@example.com\", \"password2\" }\n\n };\n\n}<\/code><\/pre>\n\n\n\n6. Poor Test Environment Configuration<\/strong><\/h3>\n\n\n\n
Conclusion<\/strong><\/h2>\n\n\n\n
Frequently Asked Questions<\/strong><\/h2>\n\n\n\n
<\/strong>Flaky tests usually happen because of timing issues, dynamic content, browser differences, or bad test data. <\/p>\n\n\n\n
<\/strong>Use explicit waits, check element status before clicking, run tests on multiple browsers, and always use fresh test data. <\/p>\n\n\n\n
<\/strong>Not always, but you can reduce them a lot. With good test design, reliable environments, and the right tools, most flaky issues can be fixed or prevented.<\/p>\n","protected":false},"excerpt":{"rendered":"