tests: disable deprecation warnings
tests: disable deprecation warnings

define GLIB_DISABLE_DEPRECATION_WARNINGS earlier so that it is defined before
the glib headers are loaded or else we trip over the GValueArray deprecations in
gst-inspect.c.

shelsonjava/gstreamer,lubosz/gstreamer,centricular/gstreamer,ensonic/gstreamer,surround-io/gstreamer,krichter722/gstreamer,mparis/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,lovebug356/gstreamer,surround-io/gstreamer,krieger-od/gstreamer,collects/gstreamer,cablelabs/gstreamer,jpxiong/gstreamer,lovebug356/gstreamer,krieger-od/gstreamer,collects/gstreamer,jpakkane/gstreamer,shelsonjava/gstreamer,cablelabs/gstreamer,cfoch/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,jpxiong/gstreamer,Lachann/gstreamer,krichter722/gstreamer,cfoch/gstreamer,lovebug356/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,surround-io/gstreamer,krieger-od/gstreamer,jpxiong/gstreamer,jpakkane/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,shelsonjava/gstreamer,ensonic/gstreamer,jpakkane/gstreamer,ensonic/gstreamer,krieger-od/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,Lachann/gstreamer,lubosz/gstreamer,centricular/gstreamer,jpakkane/gstreamer,mparis/gstreamer,krichter722/gstreamer,krichter722/gstreamer,surround-io/gstreamer,cfoch/gstreamer,StreamUtils/gstreamer,ensonic/gstreamer,centricular/gstreamer,lovebug356/gstreamer,shelsonjava/gstreamer,justinjoy/gstreamer,mparis/gstreamer,justinjoy/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,cablelabs/gstreamer,cfoch/gstreamer,lubosz/gstreamer,cablelabs/gstreamer,centricular/gstreamer,cablelabs/gstreamer,mparis/gstreamer,lovebug356/gstreamer,centricular/gstreamer,lubosz/gstreamer,collects/gstreamer,krieger-od/gstreamer,StreamUtils/gstreamer,collects/gstreamer,jpxiong/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,cfoch/gstreamer,surround-io/gstreamer,collects/gstreamer,Lachann/gstreamer,ensonic/gstreamer