; Tag some ERC test-server tests as being :unstable

; Tag some ERC test-server tests as being :unstable

* test/lisp/erc/resources/base/assoc/samenet/chester.eld: Relax timeout.
* test/lisp/erc/resources/base/assoc/samenet/tester.eld: Relax timeout.
* test/lisp/erc/resources/base/assoc/samenet/tester2.eld: Relax timeout.
* test/lisp/erc/resources/base/netid/samenet/chester.eld: Relax timeout.
* test/lisp/erc/resources/base/netid/samenet/tester.eld: Relax timeout.
* test/lisp/erc/resources/erc-d/erc-d-tests.el (erc-d-run-linger,
erc-d-run-linger-fail, erc-d-run-linger-direct): Mark some tests as
being unstable.