test/empty_test.rb in m-1.3.3 vs test/empty_test.rb in m-1.3.4

@@ -2,8 +2,8 @@
 
 class EmptyTest < MTest
   def test_run_simple_test_by_line_number
     output = m('examples/empty_example_test.rb')
     assert !$?.success?
-    assert_match /There were no tests found./, output
+    assert_match(/There were no tests found./, output)
   end
 end