put in learning_object acceptance test

spec/acceptance/learning_objects_spec.rb

@@ -53,6 +53,7 @@ resource 'Learning Objects' do
     parameter :language_id, 'The id of a language'
     parameter :license_id, 'The id of a license'
 
+    #TODO: add items of array
     let(:author) { Faker::Name.name }
     let(:name) { Faker::Name.name }
     let(:description) { Faker::Lorem.paragraph }
@@ -72,6 +73,36 @@ resource 'Learning Objects' do
     end
   end
 
+  put '/v1/learning_objects/:id' do
+    include_context "authenticate_user"
+
+    parameter :author, 'The author of a educational content'
+    parameter :name, 'The name of the learning object'
+    parameter :description, 'The description of educational content of the learning object'
+    parameter :link, 'Object link, when don’t have any attachments'
+    parameter :software, 'If some software is needed to run the object'
+    parameter :tags, 'Array with tags (by name)'
+    parameter :subjects, 'Array with subjects ids'
+    parameter :educational_stages, 'Array with educational stages ids'
+    parameter :object_type_id, 'The id of object type'
+    parameter :language_id, 'The id of a language'
+    parameter :license_id, 'The id of a license'
+
+    #TODO: add items of array
+    let(:id) { @learning_object.id }
+    let(:description) { Faker::Lorem.paragraph }
+    let(:raw_post) { params.to_json }
+
+    before do
+      @learning_object = create(:learning_object, publisher: @user)
+    end
+
+    example 'Updating a learning_object draft' do
+      do_request
+      expect(status).to eq(200)
+    end
+  end
+
   post '/v1/learning_objects/:id/like' do
     include_context "authenticate_user"