void () { final String testName = getTestName(true); final VirtualFile skeletonsDir = StandardFileSystems.local().findFileByPath(getTestDataPath() + "/" + testName + "/" + PythonSdkUtil.SKELETON_DIR_NAME); assertNotNull(skeletonsDir); runWithAdditionalClassEntryInSdkRoots( skeletonsDir, () -> assertNull(doTestByText("from itertools import prod<caret>")) ); }