Test package for DSME

Add test package for DSME with tests xml and basic test cases

[tests] Create initial test package with basic tests

Signed-off-by: Matti Kosola <matti.kosola@jollamobile.com>
[packaging] Verify yaml version at build time

Signed-off-by: Matti Kosola <matti.kosola@jollamobile.com>
Merge pull request #9 from mkosola/master

Add test package for DSME