Locally I got this, where only two xterms were opened.
```
% tests/run.sh test-awesomerc.lua
awesome_log: /tmp/tmp.ToAKs6Gw4J/_awesome_test.log
== Running test-awesomerc.lua ==
Error: timeout waiting for signal in step 1/11 (@20).
===> ERROR running test-awesomerc.lua! <===
Error: timeout waiting for signal in step 1/11 (@20).
There were 1 errors!
```