instance_variable.rb in rubocop-rspec-1.9.0

- old
+ new

@@ -45,18 +45,14 @@
       #     let(:foo) { [] }
       #     it { expect(foo).to be_empty }
       #   end
       #
       class InstanceVariable < Cop
-        include RuboCop::RSpec::SpecOnly, RuboCop::RSpec::Language
-
         MESSAGE = 'Use `let` instead of an instance variable'.freeze
 
         EXAMPLE_GROUP_METHODS = ExampleGroups::ALL + SharedGroups::ALL
 
-        def_node_matcher :spec_group?, <<-PATTERN
-          (block (send _ {#{EXAMPLE_GROUP_METHODS.to_node_pattern}} ...) ...)
-        PATTERN
+        def_node_matcher :spec_group?, EXAMPLE_GROUP_METHODS.block_pattern
 
         def_node_search :ivar_usage, '$(ivar $_)'
 
         def_node_search :ivar_assigned?, '(ivasgn % ...)'
 