Merge branch '17-add-tests-for-search-multiple-module' into 'develop'

...ltiple/components/datasets/dataset-list.component.spec.ts

...ch-multiple/components/datasets/dataset-list.component.ts

.../components/datasets/datasets-by-family.component.spec.ts

...tiple/components/datasets/datasets-by-family.component.ts

...ltiple/components/progress-bar-multiple.component.spec.ts

...ch-multiple/components/progress-bar-multiple.component.ts

...rch-multiple/components/result/overview.component.spec.ts

...e/search-multiple/components/result/overview.component.ts

...ch-multiple/components/summary-multiple.component.spec.ts

.../search-multiple/components/summary-multiple.component.ts

...ple/containers/abstract-search-multiple.component.spec.ts

...multiple/containers/abstract-search-multiple.component.ts

...nce/search-multiple/containers/datasets.component.spec.ts

...instance/search-multiple/containers/datasets.component.ts

...nce/search-multiple/containers/position.component.spec.ts

...instance/search-multiple/containers/position.component.ts

...rch-multiple/containers/result-multiple.component.spec.ts

...e/search-multiple/containers/result-multiple.component.ts

...nstance/search-multiple/search-multiple-routing.module.ts

...nstance/search-multiple/search-multiple.component.spec.ts