Fix spec failures.

app/models/merge_request.rb

@@ -527,7 +527,11 @@ class MergeRequest < ActiveRecord::Base
   # Return the set of issues that will be closed if this merge request is accepted.
   def closes_issues(current_user = self.author)
     if target_branch == project.default_branch
-      messages = commits.map(&:safe_message) << description
+      messages = if merge_request_diff
+                   commits.map(&:safe_message) << description
+                 else
+                   [description]
+                 end
       Gitlab::ClosingIssueExtractor.new(project, current_user).
         closed_by_message(messages.join("\n"))

spec/models/ci/pipeline_spec.rb

@@ -197,7 +197,7 @@ describe Ci::Pipeline, models: true do
           time = Time.now
           Timecop.freeze(time) { build.run }
-          expect(merge_request.metrics.latest_build_started_at).to eq(time)
+          expect(merge_request.metrics.latest_build_started_at).to be_within(1.second).of(time)
         end
         it 'clears the build end time' do
@@ -213,7 +213,7 @@ describe Ci::Pipeline, models: true do
           time = Time.now
           Timecop.freeze(time) { build.success }
-          expect(merge_request.metrics.latest_build_finished_at).to eq(time)
+          expect(merge_request.metrics.latest_build_finished_at).to be_within(1.second).of(time)
         end
       end
     end

spec/models/issue/metrics_spec.rb

@@ -13,7 +13,7 @@ describe Issue::Metrics, models: true do
         metrics = subject.metrics
         expect(metrics).to be_present
-        expect(metrics.first_associated_with_milestone_at).to eq(time)
+        expect(metrics.first_associated_with_milestone_at).to be_within(1.second).of(time)
       end
       it "does not record the second time an issue is associated with a milestone" do
@@ -24,7 +24,7 @@ describe Issue::Metrics, models: true do
         metrics = subject.metrics
         expect(metrics).to be_present
-        expect(metrics.first_associated_with_milestone_at).to eq(time)
+        expect(metrics.first_associated_with_milestone_at).to be_within(1.second).of(time)
       end
     end
@@ -36,7 +36,7 @@ describe Issue::Metrics, models: true do
         metrics = subject.metrics
         expect(metrics).to be_present
-        expect(metrics.first_added_to_board_at).to eq(time)
+        expect(metrics.first_added_to_board_at).to be_within(1.second).of(time)
       end
       it "does not record the second time an issue is associated with a list label" do
@@ -48,7 +48,7 @@ describe Issue::Metrics, models: true do
         metrics = subject.metrics
         expect(metrics).to be_present
-        expect(metrics.first_added_to_board_at).to eq(time)
+        expect(metrics.first_added_to_board_at).to be_within(1.second).of(time)
       end
     end
   end

spec/models/merge_request/metrics_spec.rb

@@ -12,7 +12,7 @@ describe MergeRequest::Metrics, models: true do
       metrics = subject.metrics
       expect(metrics).to be_present
-      expect(metrics.merged_at).to eq(time)
+      expect(metrics.merged_at).to be_within(1.second).of(time)
     end
   end
 end

spec/services/create_deployment_service_spec.rb

@@ -190,7 +190,7 @@ describe CreateDeploymentService, services: true do
           time = Time.now
           Timecop.freeze(time) { service.execute }
-          expect(merge_request.metrics.first_deployed_to_production_at).to eq(time)
+          expect(merge_request.metrics.first_deployed_to_production_at).to be_within(1.second).of(time)
         end
         it "doesn't set the time if the deploy's environment is not 'production'" do
@@ -216,13 +216,13 @@ describe CreateDeploymentService, services: true do
             time = Time.now
             Timecop.freeze(time) { service.execute }
-            expect(merge_request.reload.metrics.first_deployed_to_production_at).to eq(time)
+            expect(merge_request.reload.metrics.first_deployed_to_production_at).to be_within(1.second).of(time)
             # Current deploy
             service = described_class.new(project, user, params)
             Timecop.freeze(time + 12.hours) { service.execute }
-            expect(merge_request.reload.metrics.first_deployed_to_production_at).to eq(time)
+            expect(merge_request.reload.metrics.first_deployed_to_production_at).to be_within(1.second).of(time)
           end
         end

spec/services/git_push_service_spec.rb

@@ -364,7 +364,7 @@ describe GitPushService, services: true do
       it 'sets the metric for referenced issues' do
         execute_service(project, user, @oldrev, @newrev, @ref)
-        expect(issue.metrics.first_mentioned_in_commit_at).to eq(commit_time)
+        expect(issue.metrics.first_mentioned_in_commit_at).to be_within(1.second).of(commit_time)
       end
       it 'does not set the metric for non-referenced issues' do