修改单元测试

tests/Feature/InstallTest.php

@@ -31,8 +31,14 @@ class InstallTest extends TestCase
         $this->assertFileExists(config_path('admin.php'));
         $this->assertFileExists(public_path(Admin::asset()->getRealPath('@admin')));
         $this->assertFileExists(database_path('migrations/2016_01_04_173148_create_admin_tables.php'));
-        $this->assertFileExists(resource_path('lang/en/admin.php'));
-        $this->assertFileExists(resource_path('lang/zh_CN/admin.php'));
-        $this->assertFileExists(resource_path('lang/zh_CN/global.php'));
+        if (version_compare(app()->version(), '9.0.0', '>=')) {
+            $this->assertFileExists(base_path('lang/en/admin.php'));
+            $this->assertFileExists(base_path('lang/zh_CN/admin.php'));
+            $this->assertFileExists(base_path('lang/zh_CN/global.php'));
+        } else {
+            $this->assertFileExists(resource_path('lang/en/admin.php'));
+            $this->assertFileExists(resource_path('lang/zh_CN/admin.php'));
+            $this->assertFileExists(resource_path('lang/zh_CN/global.php'));
+        }
     }
 }