Fix tests for admins and users - email key was missing

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.5
+FROM ruby:2.6
 RUN apt-get update -qq && apt-get install -y nodejs postgresql-client
 RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
 RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
@@ -13,7 +13,7 @@ RUN yarn install --check-files
 
 # Add a script to be executed every time the container starts.
 COPY entrypoint.sh /usr/bin/
-    RUN chmod +x /usr/bin/entrypoint.sh
+RUN chmod +x /usr/bin/entrypoint.sh
 ENTRYPOINT ["entrypoint.sh"]
 EXPOSE 3000