Fix tests

Author: Dimitar Topuzov

helpers/_tns_lib.py

@@ -224,7 +224,7 @@ def LiveSync(platform=None, emulator=False, device=None, watch=False, path=None,
     if assertSuccess:
         assert ("Project successfully prepared" in output)
         if platform is "android":
-            assert ("Transfering project files..." in output)
+            assert ("Transferring project files..." in output)
             assert ("Successfully transferred all project files." in output)
             assert ("Applying changes..." in output)
             assert ("Successfully synced application org.nativescript." in output)