Tests on renderers => DONE

...omponents/criteria/search-type/checkbox.component.spec.ts

...d-search/components/datatable/datatable.component.spec.ts

...shared-search/components/datatable/datatable.component.ts

...ents/datatable/renderer/detail-renderer.component.spec.ts

...omponents/datatable/renderer/detail-renderer.component.ts

...ts/datatable/renderer/download-renderer.component.spec.ts

...ponents/datatable/renderer/download-renderer.component.ts

...nents/datatable/renderer/image-renderer.component.spec.ts

...components/datatable/renderer/image-renderer.component.ts

...onents/datatable/renderer/json-renderer.component.spec.ts

.../components/datatable/renderer/json-renderer.component.ts

...onents/datatable/renderer/link-renderer.component.spec.ts

.../components/datatable/renderer/link-renderer.component.ts

client/src/test-data.ts