Issue #3497197: Ensure the variation cache is cleared for JSON-LD

Closes #3497197

modules/schemadotorg_jsonld/tests/modules/schemadotorg_jsonld_cache_test/schemadotorg_jsonld_cache_test.info.yml

+name: 'Schema.org Blueprints JSON-LD Cache Test'
+type: module
+description: 'Provides cache test for Schema.org JSON-LD module.'
+package: Testing
+dependencies:
+  - 'schemadotorg:schemadotorg_jsonld'