Add pending examples to what Focus cop can detect

- Pending examples are also capable of being focused so I've added them to the examples that are searched for.

Author: dgollahon

lib/rubocop/cop/rspec/focus.rb

@@ -26,7 +26,8 @@ class Focus < Cop
           ExampleGroups::GROUPS  +
           ExampleGroups::SKIPPED +
           Examples::EXAMPLES     +
-          Examples::SKIPPED
+          Examples::SKIPPED      +
+          Examples::PENDING
 
         focused = ExampleGroups::FOCUSED + Examples::FOCUSED
 

spec/rubocop/cop/rspec/focus_spec.rb

@@ -38,6 +38,8 @@
                                    ^^^^^^^^^^^ Focused spec found.
       xscenario 'test', meta: true, focus: true do; end
                                     ^^^^^^^^^^^ Focused spec found.
+      pending 'test', meta: true, focus: true do; end
+                                  ^^^^^^^^^^^ Focused spec found.
     RUBY
   end
 
@@ -75,6 +77,8 @@
                        ^^^^^^ Focused spec found.
       it 'test', :focus do; end
                  ^^^^^^ Focused spec found.
+      pending 'test', :focus do; end
+                      ^^^^^^ Focused spec found.
     RUBY
   end
   # rubocop:enable RSpec/ExampleLength