corrected onos balance-masters command in test

Change-Id: I9813c5657b72c144b42ea39a79050d558a20eec7
diff --git a/TestON/tests/SCPFflowTp1g/SCPFflowTp1g.py b/TestON/tests/SCPFflowTp1g/SCPFflowTp1g.py
index f88f2e7..ac2c0ad 100644
--- a/TestON/tests/SCPFflowTp1g/SCPFflowTp1g.py
+++ b/TestON/tests/SCPFflowTp1g/SCPFflowTp1g.py
@@ -215,7 +215,7 @@
                 check = main.ONOSbench.handle.before
                 main.log.info("\nStart up check: \n" + check + "\n")
                 if "SCC(s)=1," in check:
-                    main.ONOSbench.handle.sendline( "onos $OC1 balance-master" )
+                    main.ONOSbench.handle.sendline( "onos $OC1 balance-masters" )
                     main.ONOSbench.handle.expect( ":~" )
                     time.sleep(5)
                     main.ONOSbench.handle.sendline( "onos $OC1 roles ")