Fix spec not_to syntax for package models

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

ee/spec/models/packages/maven_metadatum_spec.rb

@@ -11,20 +11,20 @@ RSpec.describe Packages::MavenMetadatum, type: :model do
 
     describe '#app_name' do
       it { is_expected.to allow_value("my-app").for(:app_name) }
-      it { is_expected.to_not allow_value("my/app").for(:app_name) }
-      it { is_expected.to_not allow_value("my(app)").for(:app_name) }
+      it { is_expected.not_to allow_value("my/app").for(:app_name) }
+      it { is_expected.not_to allow_value("my(app)").for(:app_name) }
     end
 
     describe '#app_group' do
       it { is_expected.to allow_value("my.domain.com").for(:app_group) }
-      it { is_expected.to_not allow_value("my/domain/com").for(:app_group) }
-      it { is_expected.to_not allow_value("my(domain)").for(:app_group) }
+      it { is_expected.not_to allow_value("my/domain/com").for(:app_group) }
+      it { is_expected.not_to allow_value("my(domain)").for(:app_group) }
     end
 
     describe '#path' do
       it { is_expected.to allow_value("my/domain/com/my-app").for(:path) }
       it { is_expected.to allow_value("my/domain/com/my-app/1.0-SNAPSHOT").for(:path) }
-      it { is_expected.to_not allow_value("my(domain)com.my-app").for(:path) }
+      it { is_expected.not_to allow_value("my(domain)com.my-app").for(:path) }
     end
   end
 end

ee/spec/models/packages/package_spec.rb

@@ -13,7 +13,7 @@ RSpec.describe Packages::Package, type: :model do
     describe '#name' do
       it { is_expected.to allow_value("my/domain/com/my-app").for(:name) }
       it { is_expected.to allow_value("my.app-11.07.2018").for(:name) }
-      it { is_expected.to_not allow_value("my(dom$$$ain)com.my-app").for(:name) }
+      it { is_expected.not_to allow_value("my(dom$$$ain)com.my-app").for(:name) }
     end
   end
 end