update appimage workflow

.github/workflows/appimage.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: 'true'
-      - name: install dependencies
+      - name: Install dependencies
         run: |
           sudo apt-get update
           sudo apt-get install -y build-essential libglfw3-dev libglfw3 libglew-dev \
@@ -34,9 +34,9 @@ jobs:
           cmake -DCMAKE_BUILD_TYPE=Release ..
           sudo make install
           cd ../..
-      - name: configure
-        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DVOXELENGINE_BUILD_APPDIR=1
-      - name: build
+      - name: Configure
+        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DVOXELENGINE_BUILD_APPDIR=1 -DVOXELENGINE_BUILD_TESTS=ON
+      - name: Build
         run: cmake --build build -t install
       - name: Run tests
         run: ctest --test-dir ${{github.workspace}}/build