Bug 1617840 [wpt PR 21954] - Unskip linting unit test by making it wo…

…rk with python3, a=testonly

Automatic update from web-platform-tests
Fix

--

wpt-commits: b9b3e97392c4f3184a9811a76d2d955a376f1e84
wpt-pr: 21954

UltraBlame original commit: cd05a3d82feb25205c9ab1542171c7dadf520534

testing/web-platform/tests/tools/lint/tests/test_file_lints.py

@@ -633,9 +633,8 @@ def test_late_timeout():
             ]
 
 
-@pytest.mark.skipif(six.PY3, reason="Cannot parse print statements from python 3")
 def test_print_statement():
-    error_map = check_with_files(b"def foo():\n  print 'statement'\n  print\n")
+    error_map = check_with_files(b"def foo():\n  print('statement')\n  print\n")
 
     for (filename, (errors, kind)) in error_map.items():
         check_errors(errors)