Change local database user.

app/config/local/database.php

@@ -24,7 +24,7 @@ return array(
 			'driver'    => 'mysql',
 			'host'      => 'localhost',
 			'database'  => 'homestead',
-			'username'  => 'vagrant',
+			'username'  => 'homestead',
 			'password'  => '',
 			'charset'   => 'utf8',
 			'collation' => 'utf8_unicode_ci',
@@ -35,7 +35,7 @@ return array(
 			'driver'   => 'pgsql',
 			'host'     => 'localhost',
 			'database' => 'homestead',
-			'username' => 'vagrant',
+			'username' => 'homestead',
 			'password' => '',
 			'charset'  => 'utf8',
 			'prefix'   => '',