diff --git a/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.spec.ts b/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.spec.ts
index b1ce257ef6..bc9380d7ad 100644
--- a/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.spec.ts
+++ b/src/app/browse-by/browse-by-taxonomy-page/browse-by-taxonomy-page.component.spec.ts
@@ -1,14 +1,21 @@
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { BrowseByTaxonomyPageComponent } from './browse-by-taxonomy-page.component';
+import { VocabularyEntryDetail } from '../../core/submission/vocabularies/models/vocabulary-entry-detail.model';
+import { TranslateModule } from '@ngx-translate/core';
+import { NO_ERRORS_SCHEMA } from '@angular/core';
 
 describe('BrowseByTaxonomyPageComponent', () => {
   let component: BrowseByTaxonomyPageComponent;
   let fixture: ComponentFixture<BrowseByTaxonomyPageComponent>;
+  let detail1: VocabularyEntryDetail;
+  let detail2: VocabularyEntryDetail;
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      declarations: [ BrowseByTaxonomyPageComponent ]
+      imports: [ TranslateModule.forRoot() ],
+      declarations: [ BrowseByTaxonomyPageComponent ],
+      schemas: [NO_ERRORS_SCHEMA]
     })
     .compileComponents();
   });
@@ -17,9 +24,47 @@ describe('BrowseByTaxonomyPageComponent', () => {
     fixture = TestBed.createComponent(BrowseByTaxonomyPageComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();
+    detail1 = new VocabularyEntryDetail();
+    detail2 = new VocabularyEntryDetail();
+    detail1.value = 'HUMANITIES and RELIGION';
+    detail2.value = 'TECHNOLOGY';
   });
 
   it('should create', () => {
     expect(component).toBeTruthy();
   });
+
+  it('should handle select event', () => {
+    component.onSelect(detail1);
+    expect(component.selectedItems.length).toBe(1);
+    expect(component.selectedItems).toContain(detail1);
+    expect(component.selectedItems.length).toBe(1);
+    expect(component.filterValues).toEqual(['HUMANITIES and RELIGION,equals'] );
+  });
+
+  it('should handle select event with multiple selected items', () => {
+    component.onSelect(detail1);
+    component.onSelect(detail2);
+    expect(component.selectedItems.length).toBe(2);
+    expect(component.selectedItems).toContain(detail1, detail2);
+    expect(component.selectedItems.length).toBe(2);
+    expect(component.filterValues).toEqual(['HUMANITIES and RELIGION,equals', 'TECHNOLOGY,equals'] );
+  });
+
+  it('should handle deselect event', () => {
+    component.onSelect(detail1);
+    component.onSelect(detail2);
+    expect(component.selectedItems.length).toBe(2);
+    expect(component.selectedItems.length).toBe(2);
+    component.onDeselect(detail1);
+    expect(component.selectedItems.length).toBe(1);
+    expect(component.selectedItems).toContain(detail2);
+    expect(component.selectedItems.length).toBe(1);
+    expect(component.filterValues).toEqual(['TECHNOLOGY,equals'] );
+  });
+
+  afterEach(() => {
+    fixture.destroy();
+    component = null;
+  });
 });