[#3732] Add test-all.sh

As a workaround for "meson test" segfaulting on Alpines and rarely on
other systems.

diff --git a/test-all.sh b/test-all.sh
new file mode 100755 (executable)
index 0000000..787d974
--- /dev/null
+++ b/test-all.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+test_cmds=$(meson introspect --tests build -i | jq -r .[].cmd[] | sort -V)
+
+for test_cmd in ${test_cmds}; do
+    "${test_cmd}"
+done