large-files test: Make less crashy on saucelabs by reducing size.
large-files test: Make less crashy on saucelabs by reducing size.

nowells/smokestack,nowells/smokestack,patrickkettner/smokestack,mattdesl/smokestack,mattdesl/smokestack,nolanlawson/smokestack,nolanlawson/smokestack,kemitchell/smokestack,kemitchell/smokestack,patrickkettner/smokestack