Try with Chrome flags for audio...

Author: cwoffenden

.circleci/config.yml

@@ -34,8 +34,6 @@ commands:
       - run:
           name: download chrome
           command: |
-            # Try adding a dummy sound device for Chrome...
-            /usr/sbin/modprobe snd-dummy
             # TODO: Make these part of the base image
             apt-get install -q -y libu2f-udev libvulkan1 xdg-utils
             # wget -O ~/chrome.deb https://dl.google.com/linux/direct/google-chrome-beta_current_amd64.deb
@@ -312,12 +310,13 @@ commands:
             EMTEST_DETECT_TEMPFILE_LEAKS: "0"
             # --no-sandbox because we are running as root and chrome requires
             # this flag for now: https://crbug.com/638180
-            CHROME_FLAGS_BASE: "--no-first-run -start-maximized --no-sandbox --use-gl=swiftshader --user-data-dir=/tmp/chrome-emscripten-profile --enable-experimental-web-platform-features --autoplay-policy=no-user-gesture-required"
+            CHROME_FLAGS_BASE: "--no-first-run -start-maximized --no-sandbox --use-gl=swiftshader --user-data-dir=/tmp/chrome-emscripten-profile --enable-experimental-web-platform-features"
             CHROME_FLAGS_HEADLESS: "--headless=new --remote-debugging-port=1234"
             CHROME_FLAGS_WASM: "--enable-experimental-webassembly-features --js-flags=\"--experimental-wasm-stack-switching --experimental-wasm-type-reflection\""
             CHROME_FLAGS_NOCACHE: "--disk-cache-dir=/dev/null --disk-cache-size=1 --media-cache-size=1 --disable-application-cache --incognito"
+            CHROME_FLAGS_AUDIO: "--autoplay-policy=no-user-gesture-required --use-fake-device-for-media-stream"
           command: |
-            export EMTEST_BROWSER="/usr/bin/google-chrome $CHROME_FLAGS_BASE $CHROME_FLAGS_HEADLESS $CHROME_FLAGS_WASM $CHROME_FLAGS_NOCACHE"
+            export EMTEST_BROWSER="/usr/bin/google-chrome $CHROME_FLAGS_BASE $CHROME_FLAGS_HEADLESS $CHROME_FLAGS_WASM $CHROME_FLAGS_NOCACHE $CHROME_FLAGS_AUDIO"
             # There are tests in the browser test suite that using libraries
             # that are not included by "./embuilder build ALL".  For example the
             # PIC version of libSDL which is used by test_sdl2_misc_main_module