[ci] Migrate branching tests for non existing source projects and pac…

…kages to rspec

src/api/spec/controllers/webui/package_controller_spec.rb

@@ -29,4 +29,22 @@
     it { expect(source_package.reload.description).to eq('New description for package') }
     it { expect(response).to redirect_to(package_show_path(project: source_project, package: source_package)) }
   end
+
+  describe "POST #save_new_link" do
+    before do
+      login(user)
+    end
+
+    it "shows an error if source package doesn't exist" do
+      post :save_new_link, project: user.home_project, linked_project: source_project
+      expect(flash[:error]).to eq("Failed to branch: Package does not exist.")
+      expect(response).to redirect_to(root_path)
+    end
+
+    it "shows an error if source project doesn't exist" do
+      post :save_new_link, project: user.home_project
+      expect(flash[:error]).to eq("Failed to branch: Package does not exist.")
+      expect(response).to redirect_to(root_path)
+    end
+  end
 end

src/api/test/functional/webui/package_branch_test.rb

@@ -135,7 +135,7 @@ def test_branch_package_twice # spec/features/webui/projects_spec.rb
       :original_project => 'kde4')
   end
 
-  def test_branch_empty_package_name
+  def test_branch_empty_package_name # spec/controllers/webui/package_controller_spec.rb
     login_Iggy to: project_show_path(:project => @project)
 
     create_package_branch(
@@ -145,7 +145,7 @@ def test_branch_empty_package_name
       :expect => :invalid_package_name)
   end
 
-  def test_branch_empty_project_name
+  def test_branch_empty_project_name # spec/controllers/webui/package_controller_spec.rb
     login_Iggy to: project_show_path(:project => @project)
 
     create_package_branch(
@@ -155,7 +155,7 @@ def test_branch_empty_project_name
       :expect => :invalid_project_name)
   end
 
-  def test_branch_package_name_with_spaces
+  def test_branch_package_name_with_spaces # spec/controllers/webui/package_controller_spec.rb
     login_Iggy to: project_show_path(:project => @project)
 
     create_package_branch(
@@ -165,7 +165,7 @@ def test_branch_package_name_with_spaces
       :expect => :invalid_package_name)
   end
 
-  def test_branch_project_name_with_spaces
+  def test_branch_project_name_with_spaces # spec/controllers/webui/package_controller_spec.rb
     login_Iggy to: project_show_path(:project => @project)
 
     create_package_branch(