Utilize Rubocop's Include for BeSuccessMatcher

Use Rubocop's Include
instead of manually checking the matcher in controllers specs.

.rubocop.yml

@@ -265,3 +265,11 @@ RSpec/EnvAssignment:
     - 'ee/spec/**/rails_helper.rb'
     - 'spec/**/spec_helper.rb'
     - 'ee/spec/**/spec_helper.rb'
+RSpec/BeSuccessMatcher:
+  Enabled: true
+  Include:
+    - 'spec/controllers/**/*'
+    - 'ee/spec/controllers/**/*'
+    - 'spec/support/shared_examples/controllers/**/*'
+    - 'ee/spec/support/shared_examples/controllers/**/*'
+    - 'spec/support/controllers/**/*'

rubocop/cop/rspec/be_success_matcher.rb

@@ -41,7 +41,6 @@ module RuboCop
         end
 
         def on_send(node)
-          return unless in_controller_spec?(node)
           return unless be_success_usage?(node)
 
           add_offense(node, location: :expression, message: MESSAGE)

rubocop/spec_helpers.rb

@@ -2,7 +2,6 @@ module RuboCop
   module SpecHelpers
     SPEC_HELPERS = %w[fast_spec_helper.rb rails_helper.rb spec_helper.rb].freeze
     MIGRATION_SPEC_DIRECTORIES = ['spec/migrations', 'spec/lib/gitlab/background_migration'].freeze
-    CONTROLLER_SPEC_DIRECTORIES = ['spec/controllers', 'spec/support/shared_examples/controllers'].freeze
 
     # Returns true if the given node originated from the spec directory.
     def in_spec?(node)
@@ -27,20 +26,5 @@ module RuboCop
       in_spec?(node) &&
         path.start_with?(*migration_directories)
     end
-
-    def controller_directories
-      @controller_directories ||= CONTROLLER_SPEC_DIRECTORIES.map do |dir|
-        pwd = RuboCop::PathUtil.pwd
-        [File.join(pwd, dir), File.join(pwd, 'ee', dir)]
-      end.flatten
-    end
-
-    # Returns true if the given node originated from a controller spec.
-    def in_controller_spec?(node)
-      path = node.location.expression.source_buffer.name
-
-      in_spec?(node) &&
-        path.start_with?(*controller_directories)
-    end
   end
 end

spec/rubocop/cop/rspec/be_success_matcher_spec.rb

@@ -59,11 +59,6 @@ describe RuboCop::Cop::RSpec::BeSuccessMatcher do
     end
   end
 
-  context 'in a controller spec file' do
-    before do
-      allow(cop).to receive(:in_controller_spec?).and_return(true)
-    end
-
   CODE_EXAMPLES.each do |code_example|
     context "using #{code_example[:bad]} call" do
       it_behaves_like 'an offensive be_success call', code_example[:bad]
@@ -79,16 +74,3 @@ describe RuboCop::Cop::RSpec::BeSuccessMatcher do
     end
   end
 end
-
-  context 'outside of a controller spec file' do
-    CODE_EXAMPLES.each do |code_example|
-      context "using #{code_example[:bad]} call" do
-        it 'does not register an offense' do
-          inspect_source(code_example[:bad])
-
-          expect(cop.offenses.size).to eq(0)
-        end
-      end
-    end
-  end
-end