.simplecov in subclass_must_implement-0.0.1 vs .simplecov in subclass_must_implement-0.0.2

@@ -6,9 +6,10 @@
   SimpleCov::Formatter::HTMLFormatter
 ])
 
 SimpleCov.start do
   add_filter "/spec/"
+  add_filter "/lib/subclass_must_implement/rspec_matchers"
 
   # Fail the build when coverage is < 100%:
   at_exit do
     SimpleCov.result.format!
     actual = SimpleCov.result.covered_percent