Fix value of retries shown in the error report.

Fixes #2258.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
@jdmundrawala I keep it in-line with the rest of the file (style-wise). We can go towards the Rspec 3 style too - unless we want to re-factor tests later anyway?