GDBus: fix name test cases
GDBus: fix name test cases

Since we make message buses come and go, we need to ensure that the
singleton connection instance goes away before attempting to call
g_bus_get_sync() or similar.

Signed-off-by: David Zeuthen <16a4bae6a7afea1fdd75baca6404fe68f285db96@redhat.com>

ieei/glib-old-android,ieei/glib-old-android,ieei/glib-old-android,dicer/android_external_glib,dicer/android_external_glib,dicer/android_external_glib,dicer/android_external_glib,ieei/glib-old-android,dicer/android_external_glib