The removed data relied on the test's own source file having no write
permissions, but that is not a valid assumption -- in a source package
the file wouldn't have had write permissions, in Perforce it would have
depended on whether the file had been checked-out for editing and in git
the file would always have write permission.
Change-Id: I3b6100429120137095a210189961c8b97f06e50a
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>