fix test

(cherry picked from commit 9a9d97c)

tests/api2/test_truenas_verify.py

@@ -1,10 +1,9 @@
-import subprocess
+from middlewared.test.integration.utils import ssh
 
 
 def test_truenas_verify():
-    completed = subprocess.run('truenas_verify', timeout=30)
+    response = ssh('truenas_verify', check=False, complete_response=True)
 
     # Jenkins vms alter the system files for setup, so truenas_verify should generate errors.
-    assert completed.returncode != 0
-    with open('/var/log/truenas_verify.log') as f:
-        assert f.readline(), 'Test environment should log file verification errors.'
+    assert not response['result']
+    assert ssh('head /var/log/truenas_verify.log'), 'Test environment should log file verification errors.'