Improved coverage for tests, handle multiple pytest.mark.supported decorators on one function
diff --git a/tests/test_interfaces.py b/tests/test_interfaces.py
index 4d571ea..329ac7d 100644
--- a/tests/test_interfaces.py
+++ b/tests/test_interfaces.py
@@ -36,6 +36,7 @@
             def method(self):
                 """Method with no arguments"""
 
+        NonImplementer().method()
         with pytest.raises(InterfaceNotImplemented):
             verify_interface(SimpleInterface, NonImplementer)
 
@@ -51,4 +52,5 @@
             def property(self):
                 """A concrete property"""
 
+        NonImplementer().property
         verify_interface(SimpleInterface, NonImplementer)