Make confetti test file

tests/balloons/confetti.test.ts

@@ -0,0 +1,23 @@
+import { Confetti } from '@/balloons';
+import fetchMock from 'jest-fetch-mock';
+
+fetchMock.enableMocks();
+
+describe('Confetti Balloon', () => {
+  let balloon: Confetti;
+
+  beforeEach(() => {
+    balloon = new Confetti();
+
+    fetchMock.resetMocks();
+  });
+
+  test('name should be "confetti"', () => {
+    expect(balloon.name).toBe('confetti');
+  });
+
+  test('name should be the same as the class name', () => {
+    expect(balloon.name).toBe('confetti');
+    expect(balloon.name).toBe(Confetti.name.toLowerCase());
+  });
+});