Fix test that checked warning output

tests/test.py

@@ -74,6 +74,7 @@ def testfile(filename):
 
 
 class FitFileTestCase(unittest.TestCase):
+
     def test_basic_file_with_one_record(self, endian='<'):
         f = FitFile(generate_fitfile(endian=endian))
         f.parse()
@@ -412,6 +413,7 @@ def test_speed(self):
     def test_mismatched_field_size(self):
         f = FitFile(testfile('coros-pace-2-cycling-misaligned-fields.fit'))
         with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter("ignore", DeprecationWarning)
             f.parse()
             assert w
             assert all("falling back to byte encoding" in str(x) for x in w)