Adding test case

.ci/fixtures/new_provider_sync.yml

@@ -7,5 +7,5 @@ spec/spec_helper.rb:
   mock_with: ':rspec'
 .rubocop.yml:
   default_configs:
-    Lint/EnsureReturn:
+    Performance/CaseWhenSplat:
       Enabled: false

.ci/test_script.sh

@@ -13,7 +13,9 @@ pdk new module new_module --template-url="file://$TEMPLATE_PR_DIR" --template-re
 pushd new_module
 grep template < metadata.json
 cp "$TEMPLATE_PR_DIR/.ci/fixtures/new_provider_sync.yml" ./.sync.yml
+grep -A 1 "Performance/CaseWhenSplat" ./.rubocop.yml | grep -q "true" # Ensure that the template is applied
 pdk update --force
+grep -A 1 "Performance/CaseWhenSplat" ./.rubocop.yml | grep -q "false" # Ensure that the update command changes the template
 pdk new class new_module
 pdk new defined_type test_type
 pdk new fact test_fact || true # not available in pdk 1.18 yet