Skipping another flaky test temporarily (#1878)

test_dependency is under investigation

Author: prsunny

tests/test_port_dpb_lag.py

@@ -10,6 +10,7 @@ def check_syslog(self, dvs, marker, log, expected_cnt):
         (exitcode, num) = dvs.runcmd(['sh', '-c', "awk \'/%s/,ENDFILE {print;}\' /var/log/syslog | grep \"%s\" | wc -l" % (marker, log)])
         assert num.strip() >= str(expected_cnt)
 
+    @pytest.mark.skip(reason="Failing. Under investigation")
     def test_dependency(self, dvs):
         lag = "0001"
         p = Port(dvs, "Ethernet0")