Added test to check the JSON driver can take an array.

Resolved the Json driver using the wrong variable.

Author: Luke Renfrew

src/Drivers/JsonDriver.php

@@ -29,7 +29,7 @@ public function extension(): string
     public function match($expected, $actual)
     {
         if (is_array($actual)) {
-            $actual = json_encode($data, JSON_PRETTY_PRINT).PHP_EOL;
+            $actual = json_encode($actual, JSON_PRETTY_PRINT).PHP_EOL;
         }
 
         Assert::assertJsonStringEqualsJsonString($expected, $actual);

tests/Integration/AssertionTest.php

@@ -41,6 +41,14 @@ public function can_match_a_json_snapshot()
         $this->assertMatchesJsonSnapshot($data);
     }
 
+    /** @test */
+    public function can_match_an_array_snapshot()
+    {
+        $data = ['foo' => 'foo', 'bar' => 'bar', 'baz' => 'baz'];
+
+        $this->assertMatchesJsonSnapshot($data);
+    }
+
     /** @test */
     public function can_match_a_file_hash_snapshot()
     {