Socket IO package tries to connect to nowhere at the start

[bahmutov]

At least Cypress v3.3.2 and v3.4.0 on Mac

Start Cypress in any project with DEBUG=socket* environment variable.
See messages that should not be there

[cypress-bot]

The code for this is done in cypress-io/cypress#4799, but has yet to be released.
We'll update this issue and reference the changelog when it's released.

[cypress-bot]

Released in 3.4.1.