Added tests for new components

src/app/+search-page/search-filters/search-filter/search-facet-filter-options/search-facet-option/search-facet-option.component.html

-<script src="search-facet-option.component.ts"></script><a *ngIf="isVisible | async" class="d-flex flex-row"
+<a *ngIf="isVisible | async" class="d-flex flex-row"
                                                            [routerLink]="[getSearchLink()]"
                                                            [queryParams]="addQueryParams" queryParamsHandling="merge">
     <input type="checkbox" [checked]="false" class="my-1 align-self-stretch"/>

src/app/+search-page/search-filters/search-filter/search-facet-filter-options/search-facet-range-option/search-facet-range-option.component.ts

@@ -83,7 +83,7 @@ export class SearchFacetRangeOptionComponent implements OnInit, OnDestroy {
   /**
    * Calculates the parameters that should change if a given values for this range filter would be changed
    */
-  updateChangeParams(): void {
+  private updateChangeParams(): void {
     const parts = this.filterValue.value.split(rangeDelimiter);
     const min = parts.length > 1 ? parts[0].trim() : this.filterValue.value;
     const max = parts.length > 1 ? parts[1].trim() : this.filterValue.value;

src/app/+search-page/search-filters/search-filter/search-facet-filter-options/search-facet-selected-option/search-facet-selected-option.component.ts

-import {
-  combineLatest as observableCombineLatest,
-  Observable,
-  of as observableOf,
-  Subscription
-} from 'rxjs';
-import { delay, map } from 'rxjs/operators';
-import { Component, Input, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
+import { combineLatest as observableCombineLatest, Observable, Subscription } from 'rxjs';
+import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { Router } from '@angular/router';
-import { FacetValue } from '../../../../search-service/facet-value.model';
 import { SearchFilterConfig } from '../../../../search-service/search-filter-config.model';
 import { SearchService } from '../../../../search-service/search.service';
 import { SearchFilterService } from '../../search-filter.service';
 import { hasValue } from '../../../../../shared/empty.util';
-import { SearchOptions } from '../../../../search-options.model';
 import { SearchConfigurationService } from '../../../../search-service/search-configuration.service';
 
 @Component({