Xamarin iOS Test new version

[godreikrisztian]

The new version (v2.2.0) fixes the following issue:

@godreikrisztian

For some reason the ipa path was changed in the new xamarin beta. Previously the ipa path looked like: bin/PLATFORM/CONFIGURATION/PROJECT_NAME SOME_TIMESTAMP/PROJECT_NAME.ipa

on the new beta channel the timestamped directory path component disappeared: bin/PLATFORM/CONFIGURATION//PROJECT_NAME.ipa

but the slashes: // are there.