fixup! fixup! WIP: Add Gradle bindings for JSON formatter

Author: jamietanna

plugin-gradle/src/test/java/com/diffplug/gradle/spotless/JsonExtensionTest.java

@@ -50,9 +50,9 @@ public void formattingWithCustomNumberOfSpaces() throws IOException {
 				"}",
 				"spotless {",
 				"    json {" +
-						"    indentWithSpaces(6)" +
 						"    target '**/*.json'" +
-						"}",
+					"    indentWithSpaces(6)" +
+					"}",
 				"}");
 		setFile("src/main/resources/example.json").toResource("json/singletonArrayBefore.json");
 		gradleRunner().withArguments("spotlessApply").build();
@@ -69,9 +69,9 @@ public void formattingWithTabs() throws IOException {
 				"}",
 				"spotless {",
 				"    json {" +
-						"    indentWithTabs()" +
 						"    target '**/*.json'" +
-						"}",
+					"    indentWithTabs()" +
+					"}",
 				"}");
 		setFile("src/main/resources/example.json").toResource("json/singletonArrayBefore.json");
 		gradleRunner().withArguments("spotlessApply").build();