Test that String[] for varargs works with java kwargs also.
Test that String[] for varargs works with java kwargs also.

Update issue 1583
Change test library method to test that String arrays for varargs also before kwargs

fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,waldenner/robotframework,fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,waldenner/robotframework,ldtri0209/robotframework