Fix Sonar report by creating src/test where miss

Fix Sonar report by creating src/test where miss

With the property override letting Sonar knows what
to scan in order to provide report including Koltin,
having src/test folder for each module has become
mandatory.
Adding src/test where missing with an empty test class
mark with TODO.

Change-Id: I93570d170ef563e9ac80fe8fc80b5a0ca107ab77
Issue-ID: CCSDK-725
Signed-off-by: Alexis de Talhouët <adetalhouet89@gmail.com>