Update tests

Author: samirsilwal

test/domain.test.ts

@@ -508,6 +508,10 @@ describe('store: [adapter=DOMAIN]', () => {
       const activeDomain = getActiveDomain();
       expect(activeDomain[STORE_KEY]).to.equal(null);
     });
+
+    it('should do nothing if the store is not initialized.', () => {
+      expect(globalStore.reset).to.throw('Async store not initialized.');
+    });
   });
 
   describe('del():', () => {
@@ -546,6 +550,10 @@ describe('store: [adapter=DOMAIN]', () => {
 
       globalStore.initialize(adapter)(callback);
     });
+
+    it('should do nothing if the store is not initialized.', () => {
+      expect(globalStore.del.bind(globalStore, 'foo')).to.throw('Async store not initialized.');
+    });
   });
 
   describe('Test Cases:', () => {