Update war packaging tests following removal of jetty-jsp

See gh-2680

spring-boot-integration-tests/spring-boot-gradle-tests/src/test/java/org/springframework/boot/gradle/WarPackagingTests.java

@@ -52,12 +52,9 @@ public class WarPackagingTests {
 					"tomcat-embed-websocket-"));
 
 	private static final Set<String> JETTY_EXPECTED_IN_WEB_INF_LIB_PROVIDED = new HashSet<String>(
-			Arrays.asList("spring-boot-starter-jetty-", "jetty-util-", "jetty-xml-",
+			Arrays.asList("spring-boot-starter-jetty-", "jetty-util-", "javax.servlet-",
-					"jetty-schemas-", "javax.servlet-", "jetty-io-", "jetty-http-",
+					"jetty-io-", "jetty-http-", "jetty-server-", "jetty-security-",
-					"jetty-server-", "jetty-security-", "jetty-servlet-",
+					"jetty-servlet-", "jetty-webapp-", "websocket-api",
-					"jetty-webapp-", "javax.servlet.jsp-2", "javax.servlet.jsp-api-",
-					"javax.servlet.jsp.jstl-1.2.2", "javax.servlet.jsp.jstl-1.2.0",
-					"javax.el-", "org.eclipse.jdt.core-", "jetty-jsp-", "websocket-api",
 					"javax.annotation-api", "jetty-plus", "javax-websocket-server-impl-",
 					"asm-", "javax.websocket-api-", "asm-tree-", "asm-commons-",
 					"websocket-common-", "jetty-annotations-",