clearing context during setup

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/zuul/filters/route/support/RibbonRetryIntegrationTestBase.java

@@ -19,6 +19,8 @@
 package org.springframework.cloud.netflix.zuul.filters.route.support;
 
 import java.util.logging.Logger;
+import javax.servlet.http.HttpServletRequest;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Value;
@@ -28,20 +30,28 @@ import org.springframework.cloud.netflix.ribbon.RibbonClient;
 import org.springframework.cloud.netflix.ribbon.RibbonClients;
 import org.springframework.cloud.netflix.ribbon.StaticServerList;
 import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
+import org.springframework.cloud.netflix.zuul.filters.post.SendErrorFilter;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.netflix.loadbalancer.Server;
 import com.netflix.loadbalancer.ServerList;
+import com.netflix.zuul.context.RequestContext;
+import com.netflix.zuul.exception.ZuulException;
+import com.netflix.zuul.monitoring.MonitoringHelper;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 /**
  * @author Ryan Baxter
@@ -55,6 +65,7 @@ public abstract class RibbonRetryIntegrationTestBase {
 
 	@Before
 	public void setup() {
+		RequestContext.getCurrentContext().clear();
 		String uri = "/resetError";
 		new TestRestTemplate().exchange(
 				"http://localhost:" + this.port + uri, HttpMethod.GET,