fix format issue

oauth2-authorization-server/src/test/java/org/springframework/security/oauth2/server/authorization/jackson2/OAuth2AuthorizationServerJackson2ModuleTests.java

@@ -78,7 +78,7 @@ public void readValueWhenLinkedHashSetThenSuccess() throws Exception {
 
 	@Test
 	public void readValueWhenStringArrayThenSuccess() throws Exception {
-		String[] array = new String[] {"one", "two"};
+		String[] array = new String[] { "one", "two" };
 		String json = this.objectMapper.writeValueAsString(array);
 		assertThat(this.objectMapper.readValue(json, STRING_ARRAY)).isEqualTo(array);
 	}