created tests for tagging learning objects

test/controllers/v1/learning_objects_controller_test.rb

+require 'test_helper'
+
+class V1::LearningObjectsControllerTest < ActionController::TestCase
+  tests V1::LearningObjectsController
+  include Devise::TestHelpers
+
+  test 'should user tagging a learning object' do
+    auth_request users(:jack)
+    tag = tags(:tag_three).name
+
+    post :tagging, id: learning_objects(:user_lo).id, tag: { name: tag, owner_id: users(:jack).id, owner_type: 'User' }
+    p learning_objects(:user_lo).errors.full_messages
+    assert_response :created
+  end
+
+  test 'should user untagging a learning object' do
+    auth_request users(:jack)
+    tag = tags(:tag_three).name
+
+    post :untagging, id: learning_objects(:user_lo).id, tag: { name: tag, owner_id: users(:jack).id, owner_type: 'User' }
+    assert_response :ok
+  end
+
+  test 'should institution tagging a learning object' do
+    auth_request users(:jack)
+    institution = institutions(:ufpr)
+    institution.users << users(:jack)
+    tag = tags(:tag_one).name
+
+    post :tagging, id: learning_objects(:institution_lo).id, tag: { name: tag, owner_id: users(:jack).id, owner_type: 'User' }
+    assert_response :created
+  end
+
+  test 'should institution untagging a learning object' do
+    auth_request users(:jack)
+    institution = institutions(:ufpr)
+    institution.users << users(:jack)
+    tag = tags(:tag_one).name
+
+    post :untagging, id: learning_objects(:institution_lo).id, tag: { name: tag, owner_id: users(:jack).id, owner_type: 'User' }
+    assert_response :ok
+  end
+
+  private
+
+  def ensure_learning_object_is_persisted!(learning_object)
+    learning_object.save!
+  end
+end