fix pytest-raises-match test

Ref: pytest-dev#6753

Author: blueyed

testing/test_capture.py

@@ -933,7 +933,7 @@ def test_simple_fail_second_start(self, tmpfile):
         fd = tmpfile.fileno()
         cap = capture.FDCapture(fd)
         cap.done()
-        pytest.raises(ValueError, cap.start, match="cannot start after state 'done'")
+        pytest.raises(ValueError, cap.start).match("cannot start after state 'done'")
 
     def test_stderr(self):
         cap = capture.FDCapture(2)