Add sleep between starting up topology and balancing masters for flow throughput test

Change-Id: I81ee9e789f6299c50b014caf58d28a0ccd666db4
diff --git a/TestON/tests/SCPF/SCPFflowTp1g/SCPFflowTp1g.py b/TestON/tests/SCPF/SCPFflowTp1g/SCPFflowTp1g.py
index 45f3741..8d6a2dc 100644
--- a/TestON/tests/SCPF/SCPFflowTp1g/SCPFflowTp1g.py
+++ b/TestON/tests/SCPF/SCPFflowTp1g/SCPFflowTp1g.py
@@ -137,6 +137,7 @@
             check = main.ONOSbench.handle.before
             main.log.info( "\nStart up check: \n" + check + "\n" )
             if "SCC(s)=1," in check:
+                time.sleep( 5 )
                 main.ONOSbench.handle.sendline( "onos $OC1 balance-masters" )
                 main.ONOSbench.handle.expect( ":~" )
                 time.sleep( 5 )