Now all parameters are forwarded from run-tests to jest.

Both positional parameters and named parameters are supported. Remember that in order to pass named
parameters to npm test they must be included after -- [1]

Tests done:
npm test (executes all tests)
npm test modules/org.openbravo.client.application/web-test/ob-utilities-date.test.js (executes single test)
npm coverage modules/org.openbravo.client.application/web-test/ob-utilities-date.test.js (executes coverage for single test)

[1] https://jestjs.io/docs/cli/#using-with-npm-scripts