fix example typo

5 * 1024 * 1024 = 5242880

Change-Id: I0eeb6e2d9fbd79103cd8c658627344f73fed9498
update AUTHORS

Change-Id: I416e81b20a129377782f5d9298f8b8f5be079c27
mock out os.listdir to return a list

os.listdir returns a list of items.  The test case had been
written to return a single item which, though not really changing
the result of the test, was not the best approach.

This patch updates the test case to return a list instead of a single
item.

Change-Id: I793e0636440c0de0ca339c6592adec3e8b4ee1b4
Merge "fix example typo"
Merge "update AUTHORS"
Merge "mock out os.listdir to return a list"