[ML] Update tests to reflect new required component structure.

Author: walterra

x-pack/plugins/transform/public/app/sections/transform_management/components/action_delete/__snapshots__/delete_button.test.tsx.snap

@@ -10,6 +10,7 @@ import React from 'react';
 import { TransformList } from './transform_list';
 
 jest.mock('../../../../../shared_imports');
+jest.mock('../../../../../app/app_dependencies');
 
 describe('Transform: Transform List <TransformList />', () => {
   test('Minimal initialization', () => {

x-pack/plugins/transform/public/app/sections/transform_management/components/action_start/__snapshots__/start_button.test.tsx.snap

@@ -9,6 +9,7 @@ import { renderHook } from '@testing-library/react-hooks';
 import { useActions } from './use_actions';
 
 jest.mock('../../../../../shared_imports');
+jest.mock('../../../../../app/app_dependencies');
 
 describe('Transform: Transform List Actions', () => {
   test('useActions()', () => {

x-pack/plugins/transform/public/app/sections/transform_management/components/action_stop/__snapshots__/stop_button.test.tsx.snap

@@ -9,6 +9,7 @@ import { renderHook } from '@testing-library/react-hooks';
 import { useColumns } from './use_columns';
 
 jest.mock('../../../../../shared_imports');
+jest.mock('../../../../../app/app_dependencies');
 
 describe('Transform: Job List Columns', () => {
   test('useColumns()', () => {