Use refute_component_rendered in test

Author: bsatarnejad

test/components/primer/open_project/inline_message_test.rb

@@ -20,8 +20,7 @@ def test_renders_nothing_with_blank_content
       " "
     end
 
-    assert_no_selector(".InlineMessage")
-    assert_no_text("Important Message")
+    refute_component_rendered
   end
 
   def test_default_size_warning_scheme