chore: Fix flaky pipeline (#5607)

* remove all remaining afterAll mocks

* change to before each

* Changes from lint:fix

---------

Co-authored-by: cloud-sdk-js <[email protected]>

Author: tomfrenken

packages/generator/src/generator.spec.ts

@@ -159,15 +159,15 @@ describe('generator', () => {
 
   describe('v2', () => {
     let files: SourceFile[];
-    beforeAll(async () => {
+    beforeEach(async () => {
       mock({
         'v2-test': {},
         [pathTestResources]: mock.load(pathTestResources)
       });
       files = await getGeneratedFiles('v2', 'v2-test');
     });
 
-    afterAll(async () => {
+    afterEach(async () => {
       mock.restore();
     });
 
@@ -198,15 +198,15 @@ describe('generator', () => {
 
   describe('v4', () => {
     let files: SourceFile[];
-    beforeAll(async () => {
+    beforeEach(async () => {
       mock({
         'v4-test': {},
         [pathTestResources]: mock.load(pathTestResources)
       });
       files = await getGeneratedFiles('v4', 'v4-test');
     });
 
-    afterAll(() => {
+    afterEach(() => {
       mock.restore();
     });
 
@@ -481,7 +481,7 @@ describe('generator', () => {
   });
 
   describe('logger', () => {
-    beforeAll(() => {
+    beforeEach(() => {
       mock({
         common: {},
         '/prettier/config': JSON.stringify({ printWidth: 66 }),
@@ -491,7 +491,7 @@ describe('generator', () => {
       });
     });
 
-    afterAll(() => mock.restore());
+    afterEach(() => mock.restore());
 
     it('should not display verbose logs by default', async () => {
       const consoleSpy = jest.spyOn(process.stdout, 'write');