diff --git a/lang/python/python-pytest-forked/test.sh b/lang/python/python-pytest-forked/test.sh
new file mode 100755
index 0000000000..b714a54e93
--- /dev/null
+++ b/lang/python/python-pytest-forked/test.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+[ "$1" = python3-pytest-forked ] || exit 0
+
+# The plugin must register its --forked option with the installed pytest,
+# which proves both the plugin and its pytest dependency import cleanly.
+if ! python3 -m pytest --help 2>&1 | grep -- "--forked"; then
+	echo "FAIL: pytest-forked did not register the --forked option"
+	exit 1
+fi