Crash after all tests passed

Hi all,

I started testing one of packages and i wanted to go with mocha not with tiny-test.
I’ve created two fake scenarios to check if everything works as it should.
Here is how i run the tests :

meteor test-packages --driver-package=meteortesting:mocha packages/events-manager --settings ../config/dev/settings.json

Here is the output :

grzegorzs-Mac-mini:adminApp grzegorz$ meteor test-packages --driver-package=meteortesting:mocha  packages/events-manager --settings ../config/dev/settings.json
[[[[[ Tests ]]]]]

=> Started proxy.
=> A patch (Meteor 1.8.1) for your current release is available!
   Update this project now with 'meteor update --patch'.
=> Started MongoDB.
I20190529-07:55:30.894(2)? --------------------------------
I20190529-07:55:30.895(2)? ----- RUNNING SERVER TESTS -----
I20190529-07:55:30.895(2)? --------------------------------
I20190529-07:55:30.896(2)?   Events
=> Started your app.

=> App running at: http://localhost:3000/
I20190529-07:55:30.897(2)?     setup_request
      ✓ should register2)?
I20190529-07:55:30.897(2)?     single_charge
      ✓ should register2)?
I20190529-07:55:30.898(2)?   2 passing (18ms)
I20190529-07:55:30.898(2)? Load the app in a browser to run client tests, or set the TEST_BROWSER_DRIVER environment variable. See
=> Exited with code: 0 

As you can see, 2 tests passed then we have info about browser tests and finally Exited with code 0, so it reruns the tests. How to solve this?
Thx in advance.