core: use port 7001 for test server (#1857)

* core: use port 7001 for test server

* enable only failing tests

* start/stop server for every test

* log message that failed to parse

* stop chat synchronously

* print call stack

* add HasCallStack

* increase test timeout

* add call stacks

* more call stacks

* fix test

* disable failing test

* add delay between the tests

* make delay more visible

* remove change in error message

* reduce test delay, increase timeout

* increase delay between the tests

* run each test with a database in a different folder

* folder name

* refactor

* update nix file, more stacks

.github/workflows/build.yml

@@ -109,7 +109,7 @@ jobs:
 
       - name: Unix test
         if: matrix.os != 'windows-latest' && matrix.os != 'ubuntu-20.04'
-        timeout-minutes: 10
+        timeout-minutes: 20
         shell: bash
         run: cabal test --test-show-details=direct