Fixes #1685: UrlManager::showScriptName should be set true for tests.

tests/acceptance/_config.php

@@ -9,5 +9,8 @@ return ArrayHelper::merge($config, [
 		'db' => [
 			'dsn' => 'mysql:host=localhost;dbname=yii2_basic_acceptance',
 		],
+		'urlManager' => [
+			'showScriptName' => true,
+		],
 	],
 ]);

tests/functional/_config.php

@@ -13,5 +13,8 @@ return ArrayHelper::merge($config, [
 		'db' => [
 			'dsn' => 'mysql:host=localhost;dbname=yii2_basic_functional',
 		],
+		'urlManager' => [
+			'showScriptName' => true,
+		],
 	],
 ]);