Make the various versions of the failure message align consistently so
that it's a little easier to compare the actual and expected values. Of
course, the value won't align nicely unless the "actual" and "expected"
strings are the same length, but at least this commit makes that
consistent across all versions of the message.
Change-Id: If9ce231df3b5d279a06f6458fdb5da0aa4586068
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>