cmake: Add more tests for elements
cmake: Add more tests for elements

Change-Id: I470ffbf5f08201a84cf8e8f6f0089d1791ff5e11

shelsonjava/kms-core,TribeMedia/kms-core,Kurento/kms-core,Kurento/kms-core,TribeMedia/kms-core,Kurento/kms-core,KurentoLegacy/gst-kurento-plugins,ESTOS/kms-core,KurentoLegacy/gst-kurento-plugins,shelsonjava/kms-core,KurentoLegacy/gst-kurento-plugins,TribeMedia/kms-core,shelsonjava/kms-core,shelsonjava/kms-core,ESTOS/kms-core,Kurento/kms-core,ESTOS/kms-core,TribeMedia/kms-core,KurentoLegacy/gst-kurento-plugins,ESTOS/kms-core