[GH-170] Fix CI Hydra issue (#171)

* [GH-96] Implement actual test from node IPC.

* [GH-96] Fix Nix dependency.

* [GH-170] Fix CI Hydra issue, clean up Nix deps.

* [GH-170] Add Coveralls to Nix, review comment by @jbgi.

Author: ksaric

cardano-shell.cabal

@@ -200,9 +200,12 @@ test-suite cardano-shell-test
     , safe-exceptions
     -- quickcheck
     , QuickCheck
+    -- SM
     , quickcheck-state-machine >= 0.6
     -- required because of QSM
     , tree-diff
+    , pretty-show >=1.9.5
+    -- tests
     , hspec
     , hspec-contrib
     , concurrency

iohk-monitoring-contra-tracer.nix

@@ -19,7 +19,7 @@
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
 
-resolver: https://raw.githubusercontent.com/input-output-hk/cardano-prelude/7f8544ae9e162b6664f07093227edb148f1c8a5b/snapshot.yaml
+resolver: https://raw.githubusercontent.com/input-output-hk/cardano-prelude/a136c4242b9c9f6124b811329bc8ccdfd86c514e/snapshot.yaml
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.
@@ -40,10 +40,11 @@ packages:
 # using the same syntax as the packages field.
 # (e.g., acme-missiles-0.3)
 extra-deps:
-  - quickcheck-state-machine-0.6.0 # Used a specific dependency, new release.
+  - quickcheck-state-machine-0.6.0  # Used a specific dependency, new release.
+  - pretty-show-1.9.5               # Used for quickcheck-state-machine.
 
   - git: https://github.com/input-output-hk/cardano-prelude
-    commit: 2256fd727c5f92e6218afdcf8cddf6e01c4a9dcd
+    commit: 892661cc3951e0d3a385c49c4563b2ae1cf9a4c2
     subdirs:
       - .
       - test
@@ -54,7 +55,6 @@ extra-deps:
       - contra-tracer
       - iohk-monitoring
 
-
   # Extracted from cardano-sl since it's quite useful
   - git: https://github.com/input-output-hk/cardano-sl-x509
     commit: 71115d199368f1cc969a4936a856808539063253
@@ -70,10 +70,6 @@ extra-deps:
   - prometheus-2.1.1
   - containers-0.5.11.0
 
-  - process-1.6.5.0
-  
-  - transformers-0.5.6.2
-
 # Override default flag values for local packages and extra-deps
 # flags: {}
 
@@ -101,4 +97,4 @@ extra-deps:
 nix:
   enable: true
   pure: false
-  shell-file: stack-shell.nix
+  shell-file: shell.nix