LibvirtOvsFetchInterfaceCommandWrapperTest fix (test fails in mac) - skip it if no interfaces with eth and wl (#9382)

* test fix (fails in mac) - skip it if no interfaces with eth and wl

* review comments

Author: sureshanaparti

plugins/hypervisors/kvm/src/test/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtOvsFetchInterfaceCommandWrapperTest.java

@@ -26,6 +26,7 @@
 import java.util.UUID;
 
 import org.junit.Assert;
+import org.junit.Assume;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Spy;
@@ -51,8 +52,7 @@ public void testGetInterfaceDetailsValidValid() {
             while(interfaces.hasMoreElements()) {
                 NetworkInterface networkInterface = interfaces.nextElement();
                 if (networkInterface.getInetAddresses().hasMoreElements() &&
-                        (networkInterface.getName().startsWith("eth") ||
-                                networkInterface.getName().startsWith("wl"))) {
+                        networkInterface.getName().matches("^(eth|wl|en).*")) {
                     interfaceName = networkInterface.getName();
                     Enumeration<InetAddress> addresses = networkInterface.getInetAddresses();
                     while(addresses.hasMoreElements()) {
@@ -62,9 +62,13 @@ public void testGetInterfaceDetailsValidValid() {
                             break;
                         };
                     }
+                    if (StringUtils.isNotBlank(interfaceName) && StringUtils.isNotBlank(ipAddress)) {
+                        break;
+                    }
                 }
             }
         } catch (SocketException ignored) {}
+        Assume.assumeTrue(StringUtils.isNotBlank(interfaceName));
         Ternary<String, String, String> result = null;
         try {
             result = wrapper.getInterfaceDetails(interfaceName);