Test is more resilient to external service failures

avatar-importer/src/test/java/org/gcube/keycloak/avatar/importer/libravatar/AvatarTest.java

@@ -8,14 +8,20 @@ import org.gcube.keycloak.oidc.avatar.importer.libravatar.Libravatar;
 import org.gcube.keycloak.oidc.avatar.importer.libravatar.LibravatarDefaultImage;
 import org.gcube.keycloak.oidc.avatar.importer.libravatar.LibravatarException;
 import org.gcube.keycloak.oidc.avatar.importer.libravatar.LibravatarOptions;
+import org.junit.AssumptionViolatedException;
 import org.junit.Test;
 
 public class AvatarTest {
 
     @Test
-    public void testOK() throws LibravatarException {
-        InputStream is = Libravatar.from("mauro.mugnaini@nubisware.com").withOptions(new LibravatarOptions().withHttps()).download();
-        assertNotNull(is);
+    public void testOK() {
+        try {
+            InputStream is = Libravatar.from("mauro.mugnaini@nubisware.com").withOptions(new LibravatarOptions().withHttps()).download();
+            assertNotNull(is);
+        } catch (LibravatarException e) {
+            // Remote system is not working properly
+            throw new AssumptionViolatedException("Cannot connect with external service", e);
+        }
     }
 
     @Test(expected = LibravatarException.class)