Update test workflow

Author: 0xRy4n

.github/workflows/tests.yml

@@ -26,8 +26,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-        
+        if [ -f pyproject.toml ]; then pip install -e .; fi
+
     - name: Test with unittest
       run: |
         python3 -m unittest -v