Minor cleanup of CI

.github/workflows/tests.yml

@@ -36,5 +36,5 @@ jobs:
             set -ex
             curl -sSL https://get.haskellstack.org/ | sh -s - -f
             sudo apt install -y libasound2 libasound2-dev libxrandr-dev libtinfo-dev
-            sudo apt install -y libx11-dev libgmp-dev libxss-dev libxft-dev 
+            sudo apt install -y libx11-dev libgmp-dev libxss-dev libxft-dev
             stack --stack-yaml=${{ matrix.yaml }} test --fast --no-terminal --resolver=${{ matrix.resolver }}

stack.yaml

@@ -1,7 +1,7 @@
 resolver: lts-15.3
 
+packages:
+- ./
+
 extra-deps:
 - xmonad-0.15
-
-packages:
-  - ./