Travis intermittent failure: change object name for Cache::flush() method in case it clashes with the one for getKey()
Travis intermittent failure: change object name for Cache::flush() method in case it clashes with the one for getKey()

TheoChevalier/transvision,flodolo/transvision,pascalchevrel/transvision,pascalchevrel/transvision,SkySymbol/transvision,pascalchevrel/transvision,SkySymbol/transvision,SkySymbol/transvision,mozfr/transvision,flodolo/transvision,mozfr/transvision,TheoChevalier/transvision,flodolo/transvision,SkySymbol/transvision,mozfr/transvision,flodolo/transvision,TheoChevalier/transvision,pascalchevrel/transvision,TheoChevalier/transvision,mozfr/transvision