The constructor for assertions in the exec plugin was incorrectly setting the expected exit code equal to the exit code it received from the test spec, resulting in script or command executions returning non-0 exit codes from causing a test.FailNow().
The constructor for assertions in the exec plugin was incorrectly setting the expected exit code equal to the exit code it received from the test spec, resulting in script or command executions returning non-0 exit codes from causing a test.FailNow().