Fixing some common typos throughout the repo

- main.True -> main.TRUE
- main.False -> main.FALSE
- main.log.step -> main.step
- main.log.case -> main.case

Change-Id: I522abc5876dee3db360649be8f068d7213c00b42
diff --git a/TestON/tests/USECASE/USECASE_SdnipFunction/USECASE_SdnipFunction.py b/TestON/tests/USECASE/USECASE_SdnipFunction/USECASE_SdnipFunction.py
index 9ea664b..50501cf 100644
--- a/TestON/tests/USECASE/USECASE_SdnipFunction/USECASE_SdnipFunction.py
+++ b/TestON/tests/USECASE/USECASE_SdnipFunction/USECASE_SdnipFunction.py
@@ -113,7 +113,7 @@
         branchName = main.ONOSbench.getBranchName()
         main.log.report( "ONOS is on branch: " + branchName )
 
-        main.log.step( "Uninstalling ONOS" )
+        main.step( "Uninstalling ONOS" )
         uninstallResult = main.ONOSbench.onosUninstall( ONOS1Ip )
         utilities.assert_equals( expect=main.TRUE,
                                  actual=uninstallResult,