void () { myFixture.configureByFile(getTestName(true) + "." + IJPerfFileType.DEFAULT_EXTENSION); final LookupElement[] lookupElements = myFixture.completeBasic(); Assert.assertNotNull(lookupElements); List<String> expectedCommands = new ArrayList<>(CommandProvider.getAllCommandNames()); List<String> strings = myFixture.getLookupElementStrings(); assertTrue(strings.containsAll(expectedCommands)); }