void (final String @NotNull ... fileNamesNoExtensions) { for (final String fileNameNoExtension : fileNamesNoExtensions) { final String fileNameAfter = String.format("%s.after.py", fileNameNoExtension); final String fileNameBefore = String.format("%s.py", fileNameNoExtension); myFixture.checkResultByFile(fileNameBefore, "/" + getMultiFileBaseName() + "/" + fileNameAfter, true); } }