Tel - Call Waiting - Place a call on hold

== Scope of testing ==
    - Dialer app functionality works

== Test Steps ==
0. Pre-requisite:
    - Screen is unlocked,
    - dialer-app is not already running
    - There is at least 1 contact in address-book
1. Start dialer-app and Initiate a call with contact A
    > Verify that call to A is correctly initiated
2. Receive an incoming call from contact B
    > Verify that snap decision dialog opens
3. Select contact B in swap decision dialog
    > Verify that call with A is placed on hold
    > Verify that call with B becomes active
4. Swap the call between A and B
    > Verify that call with A becomes active
    > Verify that call with B is on hold