fix indentation

test/validator/samples/a11y-img-redundant-alt/warnings.json

@@ -1,47 +1,47 @@
 [
-    {
-        "code": "a11y-img-redundant-alt",
-        "message": "A11y: Screenreaders already announce <img> elements as an image.",
-        "end": {
-            "character": 173,
-            "column": 49,
-            "line": 3
-        },
-        "start": {
-            "character": 124,
-            "column": 0,
-            "line": 3
-        },
-        "pos": 124
-    },
-    {
-        "code": "a11y-img-redundant-alt",
-        "message": "A11y: Screenreaders already announce <img> elements as an image.",
-        "end": {
-            "character": 219,
-            "column": 45,
-            "line": 4
-        },
-        "start": {
-            "character": 174,
-            "column": 0,
-            "line": 4
-        },
-        "pos": 174
-    },
-    {
-        "code": "a11y-img-redundant-alt",
-        "message": "A11y: Screenreaders already announce <img> elements as an image.",
-        "end": {
-            "character": 272,
-            "column": 52,
-            "line": 5
-        },
-        "start": {
-            "character": 220,
-            "column": 0,
-            "line": 5
-        },
-        "pos": 220
-    }
+	{
+		"code": "a11y-img-redundant-alt",
+		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"end": {
+			"character": 173,
+			"column": 49,
+			"line": 3
+		},
+		"start": {
+			"character": 124,
+			"column": 0,
+			"line": 3
+		},
+		"pos": 124
+	},
+	{
+		"code": "a11y-img-redundant-alt",
+		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"end": {
+			"character": 219,
+			"column": 45,
+			"line": 4
+		},
+		"start": {
+			"character": 174,
+			"column": 0,
+			"line": 4
+		},
+		"pos": 174
+	},
+	{
+		"code": "a11y-img-redundant-alt",
+		"message": "A11y: Screenreaders already announce <img> elements as an image.",
+		"end": {
+			"character": 272,
+			"column": 52,
+			"line": 5
+		},
+		"start": {
+			"character": 220,
+			"column": 0,
+			"line": 5
+		},
+		"pos": 220
+	}
 ]