fixed some tests

...search-facet-filter/search-facet-filter.component.spec.ts

...lter/search-facet-filter/search-facet-filter.component.ts

...earch-filters/search-filter/search-filter.service.spec.ts

...+search-page/search-filters/search-filters.component.html

...p/+search-page/search-filters/search-filters.component.ts

src/app/+search-page/search-page.component.spec.ts

src/app/+search-page/search-service/search.service.spec.ts

src/app/+search-page/search-service/search.service.ts

src/app/core/browse/browse.service.spec.ts

src/app/core/config/config.service.spec.ts

src/app/core/data/comcol-data.service.spec.ts

src/app/core/data/item-data.service.spec.ts

src/app/core/metadata/metadata.service.spec.ts

src/app/core/shared/hal-endpoint.service.spec.ts

src/app/core/shared/hal-endpoint.service.ts

src/app/shared/route.service.spec.ts

src/app/shared/testing/hal-endpoint-service-stub.ts

src/app/shared/testing/search-service-stub.ts

src/tsconfig.test.json