tests: add seccomp -ENOSYS integration test

Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>

tests/integration/seccomp.bats

@@ -0,0 +1,24 @@
+#!/usr/bin/env bats
+
+load helpers
+
+function setup() {
+	teardown_busybox
+	setup_busybox
+}
+
+function teardown() {
+	teardown_busybox
+}
+
+@test "runc run [seccomp -ENOSYS handling]" {
+	TEST_NAME="seccomp_syscall_test1"
+
+	# Compile the test binary and update the config to run it.
+	gcc -static -o rootfs/seccomp_test "${TESTDATA}/${TEST_NAME}.c"
+	update_config ".linux.seccomp = $(<"${TESTDATA}/${TEST_NAME}.json")"
+	update_config '.process.args = ["/seccomp_test"]'
+
+	runc run test_busybox
+	[ "$status" -eq 0 ]
+}