tests: make / private after creating a mount namespace

so that the test never affects the root namespace.

(cherry picked from commit c58fd466a313a1f93df1792822e358c67990bcdf)

diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c
index 40b5c407c6ca48ce7b5282b9d9e66b33e6c36a69..d6821f83e740636911f44bb78acf2b3d07166a91 100644 (file)
--- a/src/test/test-process-util.c
+++ b/src/test/test-process-util.c
@@ -201,6 +201,8 @@ static void test_get_process_cmdline_harder(void) {
         assert_se(pid == 0);
         assert_se(unshare(CLONE_NEWNS) >= 0);
 
+        assert_se(mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) >= 0);
+
         fd = mkostemp(path, O_CLOEXEC);
         assert_se(fd >= 0);