Merge ~canonical-kernel-team/+git/autotest-client-tests:phlin/fix-username-ovlfs-smk into ~canonical-kernel-team/+git/autotest-client-tests:master

[Po-Hsu Lin]

BugLink: https://bugs.launchpad.net/bugs/2029103

Use login user name instead of defaulting to 'ubuntu'. As we will use
different user name on some clouds.

Patch tested on Azure cloud as uncommitted change and works as expected.

[Francis Ginther (fginther)]

+1

review: Approve

[Francis Ginther (fginther)]

Applied. Thanks for noticing and fixing.

diff --git a/ubuntu_overlayfs_smoke_test/ubuntu_overlayfs_smoke_test.py b/ubuntu_overlayfs_smoke_test/ubuntu_overlayfs_smoke_test.py
index 83ed71d..70c1cb1 100644
--- a/ubuntu_overlayfs_smoke_test/ubuntu_overlayfs_smoke_test.py
+++ b/ubuntu_overlayfs_smoke_test/ubuntu_overlayfs_smoke_test.py
@@ -29,7 +29,7 @@ class ubuntu_overlayfs_smoke_test(test.test):
             return
 
         cmd = os.path.join(self.srcdir, TEST_DIR, 'tests', test_name)
-        cmd = 'sudo -iu ubuntu {}'.format(cmd)
+        cmd = 'sudo -iu {} {}'.format(os.getlogin(), cmd)
         self.results = utils.system_output(cmd, retain_output=True)
         print(self.results)