Move enablement of endpoints into AbstractEndpoint

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointWebMvcAutoConfigurationTests.java

@@ -195,9 +195,9 @@ public class EndpointWebMvcAutoConfigurationTests {
 
 		@Bean
 		public Endpoint<String> testEndpoint() {
-			return new AbstractEndpoint<String>("/endpoint", false) {
+			return new AbstractEndpoint<String>("/endpoint", false, true) {
 				@Override
-				public String invoke() {
+				public String doInvoke() {
 					return "endpointoutput";
 				}
 			};

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/mvc/EndpointHandlerMappingTests.java

@@ -105,7 +105,7 @@ public class EndpointHandlerMappingTests {
 		}
 
 		@Override
-		public Object invoke() {
+		public Object doInvoke() {
 			return null;
 		}