changed condition

.github/workflows/test.yml

@@ -36,11 +36,11 @@ jobs:
           cache: "poetry"
 
       - name: Installing Portaudio in Ubuntu
-        if: ${{ matrix.os }} == "ubuntu-latest"
+        if: matrix.os == 'ubuntu-latest'
         run: sudo apt-get install portaudio19-dev python-all-dev
 
       - name: Installing Portaudio in Mac
-        if: ${{ matrix.os }} == "mac-latest"
+        if: matrix.os == 'mac-latest'
         run: brew install portaudio
 
       - name: Install Poetry Package