void () { String dotAfter = myFixture.copyFileToProject("dotAfter.txt").getPath(); String dotAfterAfter = myFixture.copyFileToProject("dotAfter.after.txt").getPath(); String dotAfterSomething = myFixture.copyFileToProject("dotAfter.something.txt").getPath(); assertNull(TestDataUtil.getTestDataGroup(dotAfter, dotAfterSomething)); assertNull(TestDataUtil.getTestDataGroup(dotAfterSomething, dotAfter)); assertNull(TestDataUtil.getTestDataGroup(dotAfterSomething, dotAfterAfter)); assertNull(TestDataUtil.getTestDataGroup(dotAfterAfter, dotAfterSomething)); assertNotNull(TestDataUtil.getTestDataGroup(dotAfter, dotAfterAfter)); assertNotNull(TestDataUtil.getTestDataGroup(dotAfterAfter, dotAfter)); }