From 0a9bcd9893fd1240b6984bcc47a071e7311b1bca Mon Sep 17 00:00:00 2001
From: Andy Wilkinson <awilkinson@pivotal.io>
Date: Sun, 18 Sep 2016 10:29:14 +0100
Subject: [PATCH] Polish

---
 .../boot/test/autoconfigure/web/servlet/WebDriverScope.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebDriverScope.java b/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebDriverScope.java
index e58b845aa8a..5ace8c31ab2 100644
--- a/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebDriverScope.java
+++ b/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebDriverScope.java
@@ -48,7 +48,7 @@ class WebDriverScope implements Scope {
 	private static final String[] BEAN_CLASSES = { WEB_DRIVER_CLASS,
 			"org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDriverBuilder" };
 
-	private Map<String, Object> instances = new HashMap<String, Object>();
+	private final Map<String, Object> instances = new HashMap<String, Object>();
 
 	@Override
 	public Object get(String name, ObjectFactory<?> objectFactory) {