diff --git a/.forgejo/workflows/error_check.yml b/.forgejo/workflows/error_check.yml
index 830eaf1..3781491 100644
--- a/.forgejo/workflows/error_check.yml
+++ b/.forgejo/workflows/error_check.yml
@@ -11,11 +11,14 @@ on:
 jobs:
   luacheck_errcheck:
     runs-on: docker
-    container: nickblah/lua:5.1-alpine
+    container: nickblah/lua:5.1-luarocks-alpine
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install C libraries
+        run: apk add build-base
+
       - name: Install Luacheck
         run: luarocks install luacheck
 
diff --git a/.forgejo/workflows/unit_test.yml b/.forgejo/workflows/unit_test.yml
index d9da064..27a4d4e 100644
--- a/.forgejo/workflows/unit_test.yml
+++ b/.forgejo/workflows/unit_test.yml
@@ -10,15 +10,14 @@ on:
 
 jobs:
   busted_unit_test:
-    runs-on: ubuntu-latest
+    runs-on: docker
+    container: nickblah/lua:5.1-luarocks-alpine
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Install Lua
-        uses: leafo/setup-lua@v1
-        with:
-          lua-version: '5.1'
+      - name: Install C libraries
+        run: apk add build-base
 
       - name: Install Busted
         run: luarocks install busted
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..4e3c2b6
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1733550349,
+        "narHash": "sha256-NcGumB4Lr6KSDq+nIqXtNA8QwAQKDSZT7N9OTGWbTrs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e2605d0744c2417b09f8bf850dfca42fcf537d34",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
index dba1985..adbbbc9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,19 +9,16 @@
   outputs = { self, nixpkgs, ...}:
   let
     pkgs = import nixpkgs { inherit self; };
-    supportedSystems = [ "x86_64-linux" ];
   in {
-    devShells = builtins.map(system: 
-      ${system}.default = pkgs.mkShell {
-        buildInputs = [ 
-          # Run CI/CD actions locally
-          pkgs.act
-        ];
-        shellHook = ''
-          alias run_workflows='act -W $PWD/.forgejo/workflows -P ubuntu-latest=ghcr.io/catthehacker/ubuntu:act-latest --pull=false'
-          echo "Run 'run_workflows' to run the workflows locally"
-        '';
-      }
-    ) ${supportedSystems};
-  }
+    devShells.x86_64-linux.default = pkgs.mkShell {
+      buildInputs = [ 
+        # Run CI/CD actions locally
+        pkgs.act
+      ];
+      shellHook = ''
+        alias run_workflows='act -W $PWD/.forgejo/workflows -P ubuntu-latest=ghcr.io/catthehacker/ubuntu:act-latest --pull=false'
+        echo "Run 'run_workflows' to run the workflows locally"
+      '';
+    };
+  };
 }
\ No newline at end of file
diff --git a/tests/CORE/colors.lua b/tests/CORE/colors.lua
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/sanity.lua b/tests/sanity_spec.lua
similarity index 85%
rename from tests/sanity.lua
rename to tests/sanity_spec.lua
index adf7338..ed319cd 100644
--- a/tests/sanity.lua
+++ b/tests/sanity_spec.lua
@@ -36,10 +36,4 @@ describe("sanitytest", function()
         assert.is_true(true, "Truthiness: true should be true")
         assert.is_false(false, "Truthiness: false should be false")
     end)
-
-    it("tests properties", function()
-        assert.has_property({a = 1, b = 2}, "a", "Properties: table should have property a")
-        assert.has_no_property({a = 1, b = 2}, "c", "Properties: table should not have property c")
-    end)
-
 end)
\ No newline at end of file