add engine tests

Author: Deltachaos

.github/workflows/ci.yml

@@ -14,12 +14,12 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Lua
-        uses: leafo/gh-actions-lua@v9
-        with:
-          luaVersion: "5.4"
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y lua5.4
 
       - name: Run tests
-        run: TEST_IGNORE_SLUGS=engine_consistency_integration lua ./bin/test.lua
+        run: TEST_IGNORE_SLUGS=engine_consistency_integration lua5.4 ./bin/test.lua
 
   discover-engines:
     name: Discover Engines
@@ -30,16 +30,16 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Lua
-        uses: leafo/gh-actions-lua@v9
-        with:
-          luaVersion: "5.4"
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y lua5.4
 
       - name: List available engines
         id: list_engines
         run: |
-          ENGINES=$(lua bin/engines.lua)
+          ENGINES=$(lua5.4 bin/engines.lua)
           echo "engines=$ENGINES" >> $GITHUB_OUTPUT
-          lua bin/engines.lua --check
+          lua5.4 bin/engines.lua --check
 
   engine-consistency:
     name: Engine Consistency (${{ matrix.engine }})
@@ -54,9 +54,9 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Lua
-        uses: leafo/gh-actions-lua@v9
-        with:
-          luaVersion: "5.4"
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y lua5.4
 
       - name: Run engine consistency tests for ${{ matrix.engine }}
-        run: ALLOWED_ENGINES=${{ matrix.engine }} TEST_ONLY_SLUGS=engine_consistency_integration lua ./bin/test.lua
+        run: ALLOWED_ENGINES=${{ matrix.engine }} TEST_ONLY_SLUGS=engine_consistency_integration lua5.4 ./bin/test.lua