Inline tuple parameterized test tuple

tests/file_contents_sorter_test.py

diff --git a/tests/file_contents_sorter_test.py b/tests/file_contents_sorter_test.py
index 7b3d098..5f4dc5b 100644
--- a/tests/file_contents_sorter_test.py
+++ b/tests/file_contents_sorter_test.py
@@ -5,21 +5,20 @@
 from pre_commit_hooks.file_contents_sorter import PASS
 
 
-# Input, expected return value, expected output
-TESTS = (
-    (b'', PASS, b''),
-    (b'lonesome\n', PASS, b'lonesome\n'),
-    (b'missing_newline', PASS, b'missing_newline'),
-    (b'alpha\nbeta\n', PASS, b'alpha\nbeta\n'),
-    (b'beta\nalpha\n', FAIL, b'alpha\nbeta\n'),
-    (b'C\nc\n', PASS, b'C\nc\n'),
-    (b'c\nC\n', FAIL, b'C\nc\n'),
-    (b'mag ical \n tre vor\n', FAIL, b' tre vor\nmag ical \n'),
-    (b'@\n-\n_\n#\n', FAIL, b'#\n-\n@\n_\n'),
+@pytest.mark.parametrize(
+    ('input_s', 'expected_retval', 'output'),
+    (
+        (b'', PASS, b''),
+        (b'lonesome\n', PASS, b'lonesome\n'),
+        (b'missing_newline', PASS, b'missing_newline'),
+        (b'alpha\nbeta\n', PASS, b'alpha\nbeta\n'),
+        (b'beta\nalpha\n', FAIL, b'alpha\nbeta\n'),
+        (b'C\nc\n', PASS, b'C\nc\n'),
+        (b'c\nC\n', FAIL, b'C\nc\n'),
+        (b'mag ical \n tre vor\n', FAIL, b' tre vor\nmag ical \n'),
+        (b'@\n-\n_\n#\n', FAIL, b'#\n-\n@\n_\n'),
+    )
 )
-
-
-@pytest.mark.parametrize(('input_s', 'expected_retval', 'output'), TESTS)
 def test_integration(input_s, expected_retval, output, tmpdir):
     path = tmpdir.join('file.txt')
     path.write_binary(input_s)