IJSDK-157 "Both" used referring to three subjects

Author: YannCebron

basics/testing_plugins/tests_and_fixtures.md

@@ -2,7 +2,7 @@
 title: Tests and Fixtures
 ---
 
-The *IntelliJ Platform* testing infrastructure is not tied to any specific test framework. In fact, the IntelliJ IDEA Team uses both JUnit, TestNG and Cucumber for testing different parts of the project. However, most of the tests are written using JUnit 3.
+The *IntelliJ Platform* testing infrastructure is not tied to any specific test framework. In fact, the IntelliJ IDEA Team uses JUnit, TestNG and Cucumber for testing different parts of the project. However, most of the tests are written using JUnit 3.
 
 When writing your own tests, you have the choice between using a standard base class to perform the test set up for you and using a fixture class, which lets you perform the setup manually and does not tie you to a specific test framework.