Move test resources to the tests directory

Author: owenvoke

Diff for: tests/JsonGFromImageTest.php

@@ -18,14 +18,14 @@ class JsonGFromImageTest extends TestCase
      */
     public function testCanConvertImageBlobToJsonGString(): void
     {
-        $testData = fopen(__DIR__.'/../resources/demo.png', 'rb');
+        $testData = fopen(__DIR__.'/resources/demo.png', 'rb');
 
         $image = new Imagick();
         $image->readImageFile($testData);
 
         $json = JsonG::toJson($image);
 
         $this->assertJson($json);
-        $this->assertJsonStringEqualsJsonFile(__DIR__.'/../resources/demo.jsng', $json);
+        $this->assertJsonStringEqualsJsonFile(__DIR__.'/resources/demo.jsng', $json);
     }
 }

Diff for: tests/JsonGToImageTest.php

@@ -11,7 +11,7 @@ class JsonGToImageTest extends TestCase
     /* Test whether a JSON-G string can be converted to an image blob string. */
     public function testCanConvertJsonGStringToImageBlob(): void
     {
-        $testData = file_get_contents(__DIR__.'/../resources/demo.jsng');
+        $testData = file_get_contents(__DIR__.'/resources/demo.jsng');
 
         $jsonArray = json_decode($testData, true);