test(amazonq): start dbus and increase file watchers

Author: jpinkney-aws

buildspec/linuxE2ETests.yml

@@ -26,6 +26,8 @@ phases:
             # - '>/dev/null apt-get -qq install -y ca-certificates'
             # - 'apt-get install --reinstall ca-certificates'
             - bash buildspec/shared/linux-install.sh
+            # increase file watcher count (ENOSPC error)
+            - sysctl fs.inotify.max_user_watches=524288
 
     pre_build:
         commands:

buildspec/shared/linux-install.sh

@@ -14,7 +14,7 @@ set -x
 # Without this, "Unable to locate package libatk1.0-0".
 apt-get > /dev/null -yqq update
 # Dependencies for running vscode.
-apt-get > /dev/null -yqq install libatk1.0-0 libgtk-3-dev libxss1 xvfb libasound2 libasound2-plugins
+apt-get > /dev/null -yqq install libatk1.0-0 libgtk-3-dev libxss1 xvfb libasound2 libasound2-plugins dbus
 
 #
 # Prepare env for unprivileged user. We cannot run vscode as root.
@@ -27,3 +27,12 @@ ls -ld ~codebuild-user
 
 curl -Os https://uploader.codecov.io/latest/linux/codecov 
 chmod +x codecov
+
+# Stops the "Failed to connect to the bus" log spam by setting up dbus
+mkdir -p /var/run/dbus
+if [ ! -e /var/run/dbus/pid ]; then
+    dbus-daemon --system --fork
+fi
+
+# Set up environment
+export DBUS_SESSION_BUS_ADDRESS=/dev/null