RubyMine supports RSpec up to version 3.0.x. This section describes how to use RSpec in plain Ruby projects, and in Rails applications:
RSpec 2.x Note
For RSpec 2.x, special configuration is required for the coverage options. The Rake task that launches RSpec 2.x tests with the code coverage enabled, need
RCOV_OPTS environment variable, and should be modified as shown below:
If you are going to run RSpec tests under Zeus server, make sure to use Zeus version 0.13.4.pre2, or higher.