void () { myFixture.addClass(""" package org.testng; public class AssertJUnit { static public void assertTrue(String message, boolean condition) {} static public void assertTrue(boolean condition) {} static public void assertNotNull(String message, Object object) {} static public void assertNotNull(Object object) {} }"""); myFixture.addClass(""" package org.testng; public class Assert { static public void assertTrue(boolean condition, String message) {} static public void assertTrue(boolean condition) {} static public void assertNotNull(Object object, String message) {} static public void assertNotNull(Object object) {} }"""); checkHighlighting(); }