void () { Set<Class<?>> project = ContainerUtil.map2Set(ImportModuleAction.getProviders(null), ProjectImportProvider::getClass); assertFalse(project.contains(ModuleImportProvider.class)); Set<Class<?>> modular = ContainerUtil.map2Set(ImportModuleAction.getProviders(getProject()), ProjectImportProvider::getClass); assertTrue(modular.contains(ModuleImportProvider.class)); }