fix(curriculum): update testing quiz questions (freeCodeCamp#59769)

Author: sidemt

curriculum/challenges/english/25-front-end-development/quiz-testing/66f1aeffc5774ac692112a7e.md

@@ -55,7 +55,7 @@ Security testing.
 
 #### --answer--
 
-Functional testing.
+Acceptance testing.
 
 ### --question--
 
@@ -105,7 +105,7 @@ Security testing.
 
 #### --text--
 
-What type of testing ensures that a system can be used effectively by people with disabilities?
+What type of testing involves providing two versions of software to users and analyzing which performs better?
 
 #### --distractors--
 
@@ -117,17 +117,17 @@ Performance testing.
 
 ---
 
-Functional testing.
+Comparative testing.
 
 #### --answer--
 
-Accessibility testing.
+A/B testing.
 
 ### --question--
 
 #### --text--
 
-Which popular JavaScript testing framework is often used for unit testing React applications?
+Which popular JavaScript testing framework is often used for unit testing?
 
 #### --distractors--
 
@@ -149,45 +149,45 @@ Jest
 
 #### --text--
 
-What term describes the practice of testing an application across different web browsers to ensure consistent functionality?
+What term describes replacing some components used during testing with objects that return pre-defined responses?
 
 #### --distractors--
 
-Multi-platform testing.
+Mocking
 
 ---
 
-Compatibility testing.
+Faking
 
 ---
 
-Integration testing.
+Pre-defining
 
 #### --answer--
 
-Cross-browser testing.
+Stubbing
 
 ### --question--
 
 #### --text--
 
-Which CI/CD practice involves automatically running tests whenever code changes are pushed to a repository?
+Which stage comes first in the Software Development Lifecycle?
 
 #### --distractors--
 
-Manual testing.
+Design stage.
 
 ---
 
-Regression testing.
+Implementation stage.
 
 ---
 
-Load testing.
+Testing stage.
 
 #### --answer--
 
-Continuous testing.
+Planning stage.
 
 ### --question--
 
@@ -237,23 +237,23 @@ Usability testing.
 
 #### --text--
 
-What does CI stand for in the context of software development practices?
+Which one is an assertion library?
 
 #### --distractors--
 
-Code Integration.
+Mocha
 
 ---
 
-Continuous Implementation.
+Selenium
 
 ---
 
-Centralized Integration.
+GrowthBook
 
 #### --answer--
 
-Continuous Integration.
+Chai
 
 ### --question--
 
@@ -303,45 +303,45 @@ Compatibility testing.
 
 #### --text--
 
-In the context of web accessibility, what does the acronym WCAG stand for?
+What is regression testing?
 
 #### --distractors--
 
-Web Compliance and Accessibility Guidelines
+This test ensures that the application works properly after downgrading to previous versions.
 
 ---
 
-World Computer Accessibility Group
+This test runs tests repeatedly to ensure the application works under high load.
 
 ---
 
-Web Content Accessibility Grading
+This test re-runs the test that found a bug to confirm that the issue has been fixed.
 
 #### --answer--
 
-Web Content Accessibility Guidelines
+This test re-runs tests to check for new issues introduced by recent changes to the codebase.
 
 ### --question--
 
 #### --text--
 
-Which of the following is NOT typically considered a part of shift-left testing practices?
+What is alpha testing?
 
 #### --distractors--
 
-Early integration of testing in the development process.
+The first phase of A/B testing.
 
 ---
 
-Increased automation of tests.
+An automated test suite that checks for critical issues before beta testing begins.
 
 ---
 
-Involving testers from the beginning of the project.
+Iterative testing performed in the Agile model of software development.
 
 #### --answer--
 
-Performing all tests after the development phase.
+Providing the application to a selected group of testers to use it as part of acceptance testing.
 
 ### --question--
 
@@ -369,23 +369,23 @@ To verify that the most critical functions of a system are working.
 
 #### --text--
 
-Which testing practice involves deliberately introducing faults into a system to test its fault-tolerance capabilities?
+Which test involves creating simulated cyberattacks on the application to identify any vulnerabilitiess?
 
 #### --distractors--
 
-Regression testing.
+Smoke testing.
 
 ---
 
-Load testing.
+Breakpoint testing.
 
 ---
 
 Usability testing.
 
 #### --answer--
 
-Chaos testing.
+Penetration Testing.
 
 ### --question--
 
@@ -435,21 +435,21 @@ Performance testing.
 
 #### --text--
 
-Which external CI/CD tool is commonly used for automating builds, tests, and deployments?
+Which function is used with matchers to check a value in Jest?
 
 #### --distractors--
 
-Ansible
+`check`
 
 ---
 
-Docker
+`test`
 
 ---
 
-Kubernetes
+`match`
 
 #### --answer--
 
-CircleCI
+`expect`