Installing SFML & QT5 for tests, I'm tired

.github/workflows/test.yml

@@ -21,6 +21,9 @@ jobs:
         uses: actions/setup-python@v1
         with:
           python-version: '3.x'
+      - name: Install the SFML.
+        run: sudo apt-get update &&
+            sudo apt-get install --yes libsfml-dev qt5-default
       - name: Install Criterion
         run: sudo add-apt-repository ppa:snaipewastaken/ppa &&
           sudo apt-get update &&
@@ -28,7 +31,7 @@ jobs:
       - name: Install Gcovr
         run: python -m pip install --upgrade pip gcovr
       - name: Build Makefile with CMake
-        run: mkdir -p build && cd build && cmake .. --target unit_tests
+        run: mkdir -p build && cd build && cmake ..
       - name: Build with Makefile
         run: make -C build unit_tests
       - name: Execute tests