add test for existance of extra_requirement attribute
@@ -35,6 +35,8 @@ class RecordingCommonTestSuite(CommonTestSuite):
rec = self.ExtractorClass(self.get_full_path(path), **kwargs)
# print(rec)
+ assert hasattr(rec, 'extra_requirements')
+
num_seg = rec.get_num_segments()
num_chans = rec.get_num_channels()
dtype = rec.get_dtype()
