workaround test failures due to invalid hostnames on jenkins slaves

feign-ribbon/src/test/java/feign/ribbon/LoadBalancingTargetTest.java

@@ -69,6 +69,7 @@ public class LoadBalancingTargetTest {
   }
 
   static String hostAndPort(URL url) {
-    return url.getHost() + ":" + url.getPort();
+    // our build slaves have underscores in their hostnames which aren't permitted by ribbon
+    return "localhost:" + url.getPort();
   }
 }

feign-ribbon/src/test/java/feign/ribbon/RibbonClientTest.java

@@ -69,6 +69,7 @@ public class RibbonClientTest {
   }
 
   static String hostAndPort(URL url) {
-    return url.getHost() + ":" + url.getPort();
+    // our build slaves have underscores in their hostnames which aren't permitted by ribbon
+    return "localhost:" + url.getPort();
   }
 }