Rename specs for better clarification

ee/spec/frontend/security_dashboard/components/first_class_vulnerability_filters_spec.js

@@ -92,12 +92,12 @@ describe('First class vulnerability filters component', () => {
     });
   });
 
-  describe('pipeline dashboard', () => {
+  describe('activity filter', () => {
     beforeEach(() => {
       wrapper = createComponent({ provide: { dashboardType: DASHBOARD_TYPES.PIPELINE } });
     });
 
-    it('does not display the activity filter', () => {
+    it('does not display on the pipeline dashboard', () => {
       expect(findActivityFilter().exists()).toBe(false);
     });
   });