Merge pull request #1343 from couchbase/feature/issue_1342

Fixed #1342 - Unit Test Failures on Jenkins

Author: Hideki Itakura

src/main/java/com/couchbase/lite/replicator/ReplicationInternal.java

@@ -487,8 +487,6 @@ public void onCompletion(Response _response, Object result, Throwable err) {
 
     @InterfaceAudience.Private
     protected void login() {
-        authenticating = true;
-
         final LoginAuthorizer loginAuth;
         List<Object> login = null;
         loginAuth = getAuthenticator() instanceof LoginAuthorizer ? (LoginAuthorizer) getAuthenticator() : null;
@@ -505,6 +503,9 @@ protected void login() {
         final String loginPath = (String) login.get(1);
         Map<String, Object> loginParameters = login.size() >= 3 ? (Map<String, Object>) login.get(2) : null;
 
+        // authenticating flag on.
+        authenticating = true;
+
         Log.v(Log.TAG_SYNC, "%s: Doing login with %s at %s", this.getClass().getName(), getAuthenticator().getClass(), loginPath);
         boolean cancelable = false; // make sure not-canceled during login.
         Future future = sendAsyncRequest(method, loginPath, cancelable, loginParameters, new RemoteRequestCompletion() {