Address reviewer feedback

- Add field and argument tests
- Remove unneeded test
- Restore removed argument

doc/api/graphql/reference/gitlab_schema.graphql

@@ -8976,6 +8976,11 @@ input EpicBoardCreateInput {
   """
   clientMutationId: String
 
+  """
+  Full path of the group with which the resource is associated.
+  """
+  groupPath: ID
+
   """
   Whether or not backlog list is hidden.
   """

doc/api/graphql/reference/gitlab_schema.json

@@ -24847,6 +24847,16 @@
               },
               "defaultValue": null
             },
+            {
+              "name": "groupPath",
+              "description": "Full path of the group with which the resource is associated.",
+              "type": {
+                "kind": "SCALAR",
+                "name": "ID",
+                "ofType": null
+              },
+              "defaultValue": null
+            },
             {
               "name": "clientMutationId",
               "description": "A unique identifier for the client performing the mutation.",

ee/app/graphql/mutations/boards/epic_boards/create.rb

@@ -11,6 +11,10 @@ module Mutations
 
         authorize :admin_epic_board
 
+        argument :group_path, GraphQL::ID_TYPE,
+                 required: false,
+                 description: 'Full path of the group with which the resource is associated.'
+
         field :epic_board,
               Types::Boards::EpicBoardType,
               null: true,

ee/spec/graphql/mutations/boards/epic_boards/create_spec.rb

@@ -20,6 +20,13 @@ RSpec.describe ::Mutations::Boards::EpicBoards::Create do
     end
   end
 
+  context 'field tests' do
+    subject { described_class }
+
+    it { is_expected.to have_graphql_arguments(:groupPath, :name, :hideBacklogList, :hideClosedList) }
+    it { is_expected.to have_graphql_fields(:epic_board).at_least }
+  end
+
   context 'with epic feature enabled and epic_boards feature flag enabled' do
     before do
       stub_licensed_features(epics: true)

ee/spec/services/boards/epic_boards/create_service_spec.rb

@@ -8,16 +8,14 @@ RSpec.describe Boards::EpicBoards::CreateService, services: true do
   end
 
   let(:parent) { create(:group) }
-  let(:epics_enabled) { false }
   let(:epic_boards_enabled) { false }
 
   before do
-    stub_licensed_features(epics: epics_enabled)
     stub_feature_flags(epic_boards: epic_boards_enabled)
   end
 
-  shared_examples 'does not create a board' do
-    specify do
+  context 'with epic boards feature not available' do
+    it 'does not create a board' do
       service = described_class.new(parent, double)
 
       expect(service.execute.payload).not_to be_nil
@@ -25,19 +23,9 @@ RSpec.describe Boards::EpicBoards::CreateService, services: true do
     end
   end
 
-  context 'With epics feature available' do
-    let(:epics_enabled) { true }
+  context 'with epic boards feature available' do
+    let(:epic_boards_enabled) { true }
 
-    it_behaves_like 'does not create a board'
-
-    context 'with epic boards feature available' do
-      let(:epic_boards_enabled) { true }
-
-      it_behaves_like 'create a board', :epic_boards
-    end
-  end
-
-  context 'with epics feature not available' do
-    it_behaves_like 'does not create a board'
+    it_behaves_like 'create a board', :epic_boards
   end
 end