Fix git integrate command to properly create aggregate branch on firs…

…t run.

spec/thegarage/gitx/cli/integrate_command_spec.rb

@@ -10,6 +10,7 @@
     }
   end
   let(:cli) { Thegarage::Gitx::Cli::IntegrateCommand.new(args, options, config) }
+  let(:repo) { cli.send(:repo) }
   let(:branch) { double('fake branch', name: 'feature-branch') }
 
   before do
@@ -38,6 +39,22 @@
         should meet_expectations
       end
     end
+    context 'when staging branch does not exist remotely' do
+      before do
+        expect(repo)
+      end
+      it 'does not delete local branch' do
+        should meet_expectations
+      end
+    end
+    context 'when staging branch does exist remotely' do
+      before do
+        expect(repo)
+      end
+      it 'deletes local branch' do
+        should meet_expectations
+      end
+    end
     context 'when target branch == prototype' do
       before do
         expect(fake_update_command).to receive(:update)