Install Chrome in Gitpod for headless testing (#463) (#505)

.gitpod.Dockerfile

@@ -1,5 +1,25 @@
 FROM gitpod/workspace-full
 
+RUN sudo wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+RUN sudo apt-get -q update
+RUN sudo apt -y install ./google-chrome-stable_current_amd64.deb
+RUN sudo apt-get -y install libnss3\
+          libnspr4\
+          libatk1.0-0\
+          libatk-bridge2.0-0\
+          libcups2\
+          libdrm2\
+          libxkbcommon0\
+          libxcomposite1\
+          libxdamage1\
+          libxfixes3\
+          libxrandr2\
+          libgbm1\
+          libgtk-3-0\
+          libatspi2.0-0\
+          libx11-xcb-dev
+RUN sudo rm -rf /var/lib/apt/lists/*
+
 RUN bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh \
     && sdk update \
     && sdk install java 11.0.9-amzn \