Draft: Disable network-dependent tests

ruby-rest-client is failing to build because its test suite depends on access to the internet,

Failures:
RestClient::Request timeouts raises OpenTimeout when it hits an open timeout
   Failure/Error:
     expect { request.execute }.to(
       raise_error(RestClient::Exceptions::OpenTimeout))
     expected RestClient::Exceptions::OpenTimeout, got #<SocketError: Failed to open TCP connection to www.mozilla.org:80 (getaddrinfo: Name or service not known)> with backtrace:

Upstream already disables network test. Disable the other network tests which requires access to internet.

https://phabricator.apertis.org/T9697