void () { myFixture.configureByFiles("Bundles.java", "bundle.properties", "bundle_fr.properties"); LookupElement[] elements = myFixture.completeBasic(); assertNotNull(elements); assertNotNull(ContainerUtil.find(elements, element -> element.getObject() instanceof Property)); PsiElement[] implementations = ShowImplementationsTestUtil.getImplementations(); assertNotNull(implementations); assertEquals(Arrays.asList(implementations).toString(), 1, implementations.length); assertTrue(implementations[0] instanceof IProperty); }