vlc: revbump for libmicrodns update

Also fix tests.

Closes: #30356 [via git-merge-pr]

srcpkgs/vlc/template

@@ -1,7 +1,7 @@
 # Template file for 'vlc'
 pkgname=vlc
 version=3.0.14
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--disable-gme --disable-libtar --enable-jack
  --enable-live555 --disable-fluidsynth --enable-dvdread
@@ -89,6 +89,11 @@ pre_configure() {
 	sed 's|pl_shader_alloc(tc->pl_ctx, NULL, 0, 0);|pl_shader_alloc(tc->pl_ctx, NULL, 0);|' -i modules/video_output/opengl/vout_helper.c
 
 }
+
+pre_check() {
+	export QT_QPA_PLATFORM=offscreen
+}
+
 pre_install() {
 	if [ "$CROSS_BUILD" ]; then
 		# install .lua files instead of precompiled .luac ones
@@ -97,6 +102,7 @@ pre_install() {
 		sed -i -e "s/\(@list='\$(nobase_vlclib_DATA\)/\1:.luac=.lua/" share/Makefile
 	fi
 }
+
 post_install() {
 	# Remove unused stuff
 	rm -f ${DESTDIR}/usr/lib/vlc/plugins/plugins.dat
@@ -119,6 +125,7 @@ libvlc_package() {
 		done
 	}
 }
+
 vlc-devel_package() {
 	short_desc+=" - development files"
 	depends+=" lib${sourcepkg}>=${version}_${revision}"