fix test

.travis.yml

@@ -7,8 +7,8 @@ php:
 
 env:
   matrix:
-    - DB=mysql db_class='Cake\Database\Driver\Mysql' db_dsn='mysql:host=0.0.0.0;dbname=cakephp_test' db_database='cakephp_test' db_login='travis' db_password=''
-    - DB=pgsql db_class='Cake\Database\Driver\Postgres' db_dsn='pgsql:host=127.0.0.1;dbname=cakephp_test' db_database="cakephp_test" db_login='postgres' db_password=''
+    - DB=mysql db_class='Cake\Database\Driver\Mysql' db_dsn='mysql:host=0.0.0.0;dbname=cakephp_test' db_database='cakephp_test' db_username='travis' db_password=''
+    - DB=pgsql db_class='Cake\Database\Driver\Postgres' db_dsn='pgsql:host=127.0.0.1;dbname=cakephp_test' db_database="cakephp_test" db_username='postgres' db_password=''
     - DB=sqlite db_class='Cake\Database\Driver\Sqlite' db_dsn='sqlite::memory:'
   global:
     - DEFAULT=1

tests/bootstrap.php

@@ -63,7 +63,7 @@ Cake\Datasource\ConnectionManager::config('test', [
 	'driver' => getenv('db_class'),
 	'dsn' => getenv('db_dsn'),
 	'database' => getenv('db_database'),
-	'login' => getenv('db_login'),
+	'username' => getenv('db_username'),
 	'password' => getenv('db_password'),
 	'timezone' => 'UTC',
 	'quoteIdentifiers' => true,