Fix rubocop warnings in spec/models

spec/models/broadcast_message_spec.rb

@@ -27,12 +27,12 @@ describe BroadcastMessage do
     end
     it "should return nil if time not come" do
-      broadcast_message = create(:broadcast_message, starts_at: Time.now.tomorrow, ends_at: Time.now + 2.days)
+      create(:broadcast_message, starts_at: Time.now.tomorrow, ends_at: Time.now + 2.days)
       expect(BroadcastMessage.current).to be_nil
     end
     it "should return nil if time has passed" do
-      broadcast_message = create(:broadcast_message, starts_at: Time.now - 2.days, ends_at: Time.now.yesterday)
+      create(:broadcast_message, starts_at: Time.now - 2.days, ends_at: Time.now.yesterday)
       expect(BroadcastMessage.current).to be_nil
     end
   end

spec/models/ci/commit_spec.rb

@@ -228,13 +228,13 @@ describe Ci::Commit do
     it "returns finished_at of latest build" do
       build = FactoryGirl.create :ci_build, commit: commit, finished_at: Time.now - 60
-      build1 = FactoryGirl.create :ci_build, commit: commit, finished_at: Time.now - 120
+      FactoryGirl.create :ci_build, commit: commit, finished_at: Time.now - 120
       expect(commit.finished_at.to_i).to eq(build.finished_at.to_i)
     end
     it "returns nil if there is no finished build" do
-      build = FactoryGirl.create :ci_not_started_build, commit: commit
+      FactoryGirl.create :ci_not_started_build, commit: commit
       expect(commit.finished_at).to be_nil
     end

spec/models/hooks/project_hook_spec.rb

@@ -22,7 +22,7 @@ describe ProjectHook do
   describe '.push_hooks' do
     it 'should return hooks for push events only' do
       hook = create(:project_hook, push_events: true)
-      hook2 = create(:project_hook, push_events: false)
+      create(:project_hook, push_events: false)
       expect(ProjectHook.push_hooks).to eq([hook])
     end
   end
@@ -30,7 +30,7 @@ describe ProjectHook do
   describe '.tag_push_hooks' do
     it 'should return hooks for tag push events only' do
       hook = create(:project_hook, tag_push_events: true)
-      hook2 = create(:project_hook, tag_push_events: false)
+      create(:project_hook, tag_push_events: false)
       expect(ProjectHook.tag_push_hooks).to eq([hook])
     end
   end

spec/models/hooks/service_hook_spec.rb

@@ -39,8 +39,6 @@ describe ServiceHook do
     end
     it "POSTs the data as JSON" do
-      json = @data.to_json
-
       @service_hook.execute(@data)
       expect(WebMock).to have_requested(:post, @service_hook.url).with(
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'Service Hook' }

spec/models/hooks/web_hook_spec.rb

@@ -60,8 +60,6 @@ describe ProjectHook do
     end
     it "POSTs the data as JSON" do
-      json = @data.to_json
-
       @project_hook.execute(@data, 'push_hooks')
       expect(WebMock).to have_requested(:post, @project_hook.url).with(
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'Push Hook' }

spec/models/milestone_spec.rb

@@ -111,8 +111,8 @@ describe Milestone do
   describe :is_empty? do
     before do
-      issue = create :closed_issue, milestone: milestone
-      merge_request = create :merge_request, milestone: milestone
+      create :closed_issue, milestone: milestone
+      create :merge_request, milestone: milestone
     end
     it 'Should return total count of issues and merge requests assigned to milestone' do
@@ -125,7 +125,7 @@ describe Milestone do
       milestone = create :milestone
       create :closed_issue, milestone: milestone
-      issue = create :issue
+      create :issue
     end
     it 'should be true if milestone active and all nested issues closed' do

spec/models/project_services/gitlab_ci_service_spec.rb

@@ -49,7 +49,6 @@ describe GitlabCiService do
       let(:push_sample_data) { Gitlab::PushDataBuilder.build_sample(project, user) }
       it "calls ci_yaml_file" do
-        service_hook = double
         expect(@service).to receive(:ci_yaml_file).with(push_sample_data[:checkout_sha])
         @service.execute(push_sample_data)

spec/models/project_services/hipchat_service_spec.rb

@@ -87,7 +87,7 @@ describe HipchatService do
       it "should create a push message" do
         message = hipchat.send(:create_push_message, push_sample_data)
-        obj_attr = push_sample_data[:object_attributes]
+        push_sample_data[:object_attributes]
         branch = push_sample_data[:ref].gsub('refs/heads/', '')
         expect(message).to include("#{user.name} pushed to branch " \
             "<a href=\"#{project.web_url}/commits/#{branch}\">#{branch}</a> of " \
@@ -107,7 +107,7 @@ describe HipchatService do
       it "should create a tag push message" do
         message = hipchat.send(:create_push_message, push_sample_data)
-        obj_attr = push_sample_data[:object_attributes]
+        push_sample_data[:object_attributes]
         expect(message).to eq("#{user.name} pushed new tag " \
             "<a href=\"#{project.web_url}/commits/test\">test</a> to " \
             "<a href=\"#{project.web_url}\">#{project_name}</a>\n")

spec/models/project_spec.rb

@@ -140,7 +140,7 @@ describe Project do
     describe 'last_activity_date' do
       it 'returns the creation date of the project\'s last event if present' do
-        last_activity_event = create(:event, project: project)
+        create(:event, project: project)
         expect(project.last_activity_at.to_i).to eq(last_event.created_at.to_i)
       end

spec/models/project_wiki_spec.rb

@@ -231,7 +231,7 @@ describe ProjectWiki do
   end
   def commit_details
-    commit = { name: user.name, email: user.email, message: "test commit" }
+    { name: user.name, email: user.email, message: "test commit" }
   end
   def create_page(name, content)

spec/models/wiki_page_spec.rb

@@ -196,7 +196,7 @@ describe WikiPage do
   end
   def commit_details
-    commit = { name: user.name, email: user.email, message: "test commit" }
+    { name: user.name, email: user.email, message: "test commit" }
   end
   def create_page(name, content)