feat: setup nightly tests for postgres and mysql schemas (#4441)

* feat: unify Jest config

* feat: simplify DB setup for tests

* feat: setup nightly tests for postgres and mysql schemas

packages/cli/test/setup.ts

@@ -1,36 +0,0 @@
-import { exec as callbackExec } from 'child_process';
-import { promisify } from 'util';
-
-import config from '../config';
-import {
-	BOOTSTRAP_MYSQL_CONNECTION_NAME,
-	DB_INITIALIZATION_TIMEOUT,
-} from './integration/shared/constants';
-
-const exec = promisify(callbackExec);
-
-const dbType = config.getEnv('database.type');
-
-if (dbType === 'mysqldb') {
-	const username = config.getEnv('database.mysqldb.user');
-	const password = config.getEnv('database.mysqldb.password');
-	const host = config.getEnv('database.mysqldb.host');
-
-	const passwordSegment = password ? `-p${password}` : '';
-
-	(async () => {
-		try {
-			jest.setTimeout(DB_INITIALIZATION_TIMEOUT);
-			await exec(
-				`echo "CREATE DATABASE IF NOT EXISTS ${BOOTSTRAP_MYSQL_CONNECTION_NAME}" | mysql -h ${host} -u ${username} ${passwordSegment}; USE ${BOOTSTRAP_MYSQL_CONNECTION_NAME};`,
-			);
-		} catch (error) {
-			if (error.stderr.includes('Access denied')) {
-				console.error(
-					`ERROR: Failed to log into MySQL to create bootstrap DB.\nPlease review your MySQL connection options:\n\thost: "${host}"\n\tusername: "${username}"\n\tpassword: "${password}"\nFix by setting correct values via environment variables.\n\texport DB_MYSQLDB_HOST=value\n\texport DB_MYSQLDB_USERNAME=value\n\texport DB_MYSQLDB_PASSWORD=value`,
-				);
-				process.exit(1);
-			}
-		}
-	})();
-}