chore(SA-675): fix lint warnings in test files

- Remove unused slack import from index.spec.ts
- Remove unused consoleSpy variable from slack.spec.ts
- Add eslint-disable comments for necessary any types in test mocks

Author: gjarzebak95

tests/index.spec.ts

@@ -3,7 +3,6 @@ jest.mock('../src/github')
 jest.mock('../src/slack')
 import * as google from '../src/google'
 import * as github from '../src/github'
-import * as slack from '../src/slack'
 import * as mod from '../index'
 
 let processExitSpy

tests/slack.spec.ts

@@ -5,11 +5,10 @@ import * as mod from '../src/slack'
 import { EventEmitter } from 'events'
 
 describe('slack integration', () => {
-  let consoleSpy: jest.SpyInstance
   let consoleErrorSpy: jest.SpyInstance
 
   beforeEach(() => {
-    consoleSpy = jest.spyOn(global.console, 'log').mockImplementation()
+    jest.spyOn(global.console, 'log').mockImplementation()
     consoleErrorSpy = jest.spyOn(global.console, 'error').mockImplementation()
   })
 
@@ -26,9 +25,11 @@ describe('slack integration', () => {
 
     it('sends notification when webhook URL is configured', async () => {
       jest.spyOn(config, 'slackWebhookUrl', 'get').mockReturnValue('https://hooks.slack.com/services/test')
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const mockReq = new EventEmitter() as any
       mockReq.write = jest.fn()
       mockReq.end = jest.fn()
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const mockRes = new EventEmitter() as any
       mockRes.statusCode = 200
       ;(https.request as jest.Mock).mockImplementation((options, callback) => {
@@ -41,9 +42,11 @@ describe('slack integration', () => {
 
     it('returns false when request fails with non-200', async () => {
       jest.spyOn(config, 'slackWebhookUrl', 'get').mockReturnValue('https://hooks.slack.com/services/test')
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const mockReq = new EventEmitter() as any
       mockReq.write = jest.fn()
       mockReq.end = jest.fn()
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const mockRes = new EventEmitter() as any
       mockRes.statusCode = 500
       ;(https.request as jest.Mock).mockImplementation((options, callback) => {
@@ -57,6 +60,7 @@ describe('slack integration', () => {
 
     it('returns false when request errors', async () => {
       jest.spyOn(config, 'slackWebhookUrl', 'get').mockReturnValue('https://hooks.slack.com/services/test')
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const mockReq = new EventEmitter() as any
       mockReq.write = jest.fn()
       mockReq.end = jest.fn()
@@ -98,14 +102,17 @@ describe('slack integration', () => {
   })
 
   describe('notifySlack', () => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     let mockReq: any
 
     beforeEach(() => {
       jest.spyOn(config, 'slackWebhookUrl', 'get').mockReturnValue('https://hooks.slack.com/services/test')
       jest.spyOn(config, 'githubOrg', 'get').mockReturnValue('myorg')
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       mockReq = new EventEmitter() as any
       mockReq.write = jest.fn()
       mockReq.end = jest.fn()
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       const mockRes = new EventEmitter() as any
       mockRes.statusCode = 200
       ;(https.request as jest.Mock).mockImplementation((options, callback) => {