Remove defunct E2E test runner script, add docker scripts to package file.

package.json

@@ -13,8 +13,10 @@
     "build": "grunt && npm run makepot",
     "build-watch": "grunt watch",
     "lint:js": "eslint assets/js --ext=js",
-    "test:e2e": "./tests/bin/e2e-test-integration.js",
-    "test:e2e-dev": "./tests/bin/e2e-test-integration.js --dev",
+    "docker:up": "npm explore @woocommerce/e2e-env -- npm run docker:up",
+    "docker:down": "npm explore @woocommerce/e2e-env -- npm run docker:down",
+    "test:e2e": "npm explore @woocommerce/e2e-env -- npm run test:e2e",
+    "test:e2e-dev": "npm explore @woocommerce/e2e-env -- npm run test:e2e-dev",
     "makepot": "composer run-script makepot",
     "packages:fix:textdomain": "node ./bin/package-update-textdomain.js",
     "git:update-hooks": "rm -r .git/hooks && mkdir -p .git/hooks && node ./node_modules/husky/husky.js install"

tests/bin/e2e-test-integration.js

@@ -1,46 +0,0 @@
-#!/usr/bin/env node
-
-const { spawnSync } = require( 'child_process' );
-const program = require( 'commander' );
-const { useJestPuppeteerConfig } = require( 'puppeteer-utils' );
-
-program
-	.usage( '<file ...> [options]' )
-	.option( '--dev', 'Development mode' )
-	.parse( process.argv );
-
-const testEnvVars = {
-	NODE_ENV: 'test:e2e',
-	JEST_PUPPETEER_CONFIG: 'tests/e2e-tests/config/jest-puppeteer.config.js',
-	NODE_CONFIG_DIR: 'tests/e2e-tests/config',
-};
-
-if ( program.dev ) {
-	testEnvVars.PUPPETEER_HEADLESS = 'false';
-	testEnvVars.PUPPETEER_SLOWMO = '50';
-
-	delete testEnvVars.JEST_PUPPETEER_CONFIG;
-	useJestPuppeteerConfig();
-}
-
-const envVars = Object.assign( {}, process.env, testEnvVars );
-
-let jestProcess = spawnSync(
-	'jest',
-	[
-		'--maxWorkers=1',
-		'--config=tests/e2e-tests/config/jest.config.js',
-		'--rootDir=./',
-		'--verbose',
-		program.args,
-	],
-	{
-		stdio: 'inherit',
-		env: envVars,
-	}
-);
-
-console.log( 'Jest exit code: ' +  jestProcess.status );
-
-// Pass Jest exit code to npm
-process.exit( jestProcess.status );