[4.x] Fix metaPath for root assets (#9287)

src/Assets/Asset.php

@@ -290,7 +290,7 @@ public function metaPath()
     {
         $path = dirname($this->path()).'/.meta/'.$this->basename().'.yaml';
 
-        return ltrim($path, '/');
+        return (string) Str::of($path)->replaceFirst('./', '')->ltrim('/');
     }
 
     protected function metaExists()

tests/Assets/AssetTest.php

@@ -720,6 +720,16 @@ public function it_properly_merges_new_unsaved_data_to_meta()
         $this->assertEquals($expectedAfterMerge, $asset->meta());
     }
 
+    /** @test */
+    public function it_gets_meta_path()
+    {
+        $asset = (new Asset)->container($this->container)->path('test.txt');
+        $this->assertEquals('.meta/test.txt.yaml', $asset->metaPath());
+
+        $asset = (new Asset)->container($this->container)->path('foo/test.txt');
+        $this->assertEquals('foo/.meta/test.txt.yaml', $asset->metaPath());
+    }
+
     /** @test */
     public function it_generates_meta_on_demand_if_it_doesnt_exist()
     {

tests/TestCase.php

@@ -74,7 +74,7 @@ protected function resolveApplicationConfiguration($app)
         ];
 
         foreach ($configs as $config) {
-            $app['config']->set("statamic.$config", require(__DIR__."/../config/{$config}.php"));
+            $app['config']->set("statamic.$config", require (__DIR__."/../config/{$config}.php"));
         }
     }