Add @AutoConfigureHttpClient for SSL validation error handling

For tests only users can add this annotation to make the rest template
in their app ignore SSL validation.

samples/wiremock-tomcat/src/main/java/com/example/WiremockTestsApplication.java

@@ -3,6 +3,7 @@ package com.example;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Component;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -13,8 +14,8 @@ import org.springframework.web.client.RestTemplate;
 public class WiremockTestsApplication {
 
 	@Bean
-	public RestTemplate restTemplate() {
-		return new RestTemplate();
+	public RestTemplate restTemplate(RestTemplateBuilder builder) {
+		return builder.build();
 	}
 
 	public static void main(String[] args) {

samples/wiremock-tomcat/src/test/java/com/example/WiremockHttpsServerApplicationTests.java

@@ -11,6 +11,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.cloud.contract.wiremock.AutoConfigureHttpClient;
 import org.springframework.cloud.contract.wiremock.WireMockSpring;
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.junit4.SpringRunner;
@@ -21,6 +22,7 @@ import com.github.tomakehurst.wiremock.junit.WireMockClassRule;
 @RunWith(SpringRunner.class)
 @SpringBootTest("app.baseUrl=https://localhost:6443")
 @DirtiesContext
+@AutoConfigureHttpClient
 public class WiremockHttpsServerApplicationTests {
 
 	@ClassRule