build: hook up tests with meson

Adds our cargo test to meson's testing system so that
`ninja test` runs it in addition to our resource validation tests.

scripts/test.sh

@@ -4,34 +4,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-export MANIFEST_PATH="org.gnome.PodcastsDevel.json"
-export FLATPAK_MODULE="gnome-podcasts"
-export CONFIGURE_ARGS="-Dprofile=development"
-# export DBUS_ID="org.gnome.PodcastsDevel"
-# export BUNDLE="org.gnome.Podcasts.Devel.flatpak"
-# export RUNTIME_REPO="https://sdk.gnome.org/gnome-nightly.flatpakrepo"
+export CARGO_HOME="target/cargo-home"
+export CARGO_TARGET_DIR="target_test/"
 
-flatpak-builder --stop-at=${FLATPAK_MODULE} --force-clean app ${MANIFEST_PATH}
-
-# Build the flatpak repo
-flatpak-builder --run app ${MANIFEST_PATH} meson --prefix=/app ${CONFIGURE_ARGS} build
-flatpak-builder --run \
-    --env=CARGO_HOME="target/cargo-home" \
-    --env=CARGO_TARGET_DIR="target_test/" \
-    --env=RUSTFLAGS="" \
-    app ${MANIFEST_PATH} \
-    ninja -C build
-
-# Run the tests
-xvfb-run -a -s "-screen 0 1024x768x24" \
-    flatpak-builder --run \
-    --env=CARGO_HOME="target/cargo-home" \
-    --env=CARGO_TARGET_DIR="target_test/" \
-    --env=RUSTFLAGS="" \
-    app ${MANIFEST_PATH} \
-    cargo test -j 1 -- --test-threads=1 --nocapture
-
-# Create a flatpak bundle
-# flatpak-builder --finish-only app ${MANIFEST_PATH}
-# flatpak build-export repo app
-# flatpak build-bundle repo ${BUNDLE} --runtime-repo=${RUNTIME_REPO} ${DBUS_ID}
+cargo test -j 1 -- --test-threads=1 --nocapture