test: change test names in counter service to align with rest

Author: ertunga

projects/ng-snippets/counter/counter.service.spec.ts

@@ -10,37 +10,37 @@ describe('CounterService', () => {
         service = TestBed.inject(CounterService);
     });
 
-    it('increase', () => {
+    it('should increase', () => {
         service.increase();
         expect(service.count).toBe(1);
     });
 
-    it('increase by given number', () => {
+    it('should increase by given number', () => {
         service.increase(5);
         expect(service.count).toBe(5);
     });
 
-    it('decrease', () => {
+    it('should decrease', () => {
         service.decrease();
         expect(service.count).toBe(-1);
     });
 
-    it('decrease by given number', () => {
+    it('should decrease by given number', () => {
         service.decrease(6);
         expect(service.count).toBe(-6);
     });
 
-    it('reset counter', () => {
+    it('should reset counter', () => {
         service.count = 30;
         service.reset();
         expect(service.count).toBe(0);
     });
 
-    it('returns count', () => {
+    it('should returns count', () => {
         expect(service.count).toBe(0);
     });
 
-    it('sets count', () => {
+    it('should sets count', () => {
         service.count = 100;
         expect(service.count).toBe(100);
     });