EPE-11 Browser closes on authentication failure

Run Configurations test panel disappears if your credentials fail.

Fixes EPE-11

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #99 from GordonSmith/EPE-11

EPE-11 Browser closes on authentication failure

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>