Add Linux virtual audio device

Author: medengineer

.github/workflows/build_and_run_tests.yml

@@ -1,16 +1,18 @@
 name: Build and Run Tests
 
 on:
-  pull_request:
+  push:
     paths:
       - 'JuceLibraryCode/**'
       - 'Plugins/**'
       - 'Resources/**'
       - 'Source/**'
       - 'CMakeLists.txt'
       - 'HelperFunctions.cmake'
+      - '.github/workflows/**'
     branches:
       - 'main'
+      - 'development'
   workflow_dispatch:
 
 jobs:
@@ -19,16 +21,27 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+
+    - name: Install dependencies
+      run: |
+        sudo apt update
+        cd Resources/Scripts
+        sudo ./install_linux_dependencies.sh
+        sudo apt install -y alsa-utils
+
+    - name: Load ALSA Loopback
+      run: |
+        sudo modprobe snd-aloop
+        arecord -l
+        aplay -l
+
     - name: build
       env:
         CC: gcc-10
         CXX: g++-10
       run: |
-        sudo apt update
-        cd Resources/Scripts
-        sudo ./install_linux_dependencies.sh
         cd ../../Build && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTS=ON ..
-        make -j8
+        make -j5
     - name: run tests
       run: |
         cd Resources/Scripts