ci: pass --no-stdsplit to meson test

Hopefully, we will get more informative logs on failure.

.github/workflows/unit-tests-musl.sh

@@ -47,7 +47,7 @@ for phase in "${PHASES[@]}"; do
             # correctly detect the environment.
             env \
                 SYSTEMD_IN_CHROOT=yes \
-                meson test -C build --print-errorlogs
+                meson test -C build --print-errorlogs --no-stdsplit
             ;;
         CLEANUP)
             info "Cleanup phase"

.github/workflows/unit-tests.sh

@@ -109,7 +109,7 @@ for phase in "${PHASES[@]}"; do
             run_meson -Dnobody-group=nogroup --werror -Dtests=unsafe -Dslow-tests=true -Dfuzz-tests=true "${MESON_ARGS[@]}" build
             ninja -C build -v
             # Ensure setting a timezone (like the reproducible build tests do) does not break time/date unit tests
-            TZ=GMT+12 meson test "${MESON_TEST_ARGS[@]}" -C build --print-errorlogs
+            TZ=GMT+12 meson test "${MESON_TEST_ARGS[@]}" -C build --print-errorlogs --no-stdsplit
             ;;
         RUN_ASAN_UBSAN|RUN_GCC_ASAN_UBSAN|RUN_CLANG_ASAN_UBSAN|RUN_CLANG_ASAN_UBSAN_NO_DEPS)
             # TODO: drop after we switch to ubuntu 26.04
@@ -151,7 +151,7 @@ for phase in "${PHASES[@]}"; do
             # during debugging, wonderful), so let's at least keep a workaround
             # here to make the builds stable for the time being.
             (set +x; while :; do echo -ne "\n[WATCHDOG] $(date)\n"; sleep 30; done) &
-            meson test --timeout-multiplier=3 -C build --print-errorlogs
+            meson test --timeout-multiplier=3 -C build --print-errorlogs --no-stdsplit
             ;;
         CLEANUP)
             info "Cleanup phase"