Actually add test/runtests.sh

This adds the missing shell script that runs the tests.

Fixes: 4916320ec3 ("Separate test cases from examples")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

test/runtests.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+TESTS="$@"
+RET=0
+
+TIMEOUT=10
+
+for t in $TESTS; do
+	echo Running test $t
+	timeout -s INT $TIMEOUT ./$t
+	r=$?
+	if [ "${r}" -eq 124 ]; then
+		echo "Test $t timed out (may not be a failure)"
+	elif [ "${r}" -ne 0 ]; then
+		echo Test $t failed
+		RET=1
+	fi
+done
+
+exit $RET