Add tool to run cypress test in dev env

tests/run.sh

+#!/bin/bash
+
+# This is a tool to run the cypress test from a development environment. It is
+# not used in the CI.
+
+tag=138-add-cypress-scaffolding
+host=https://dashboard.stackspin.net/
+
+user="admin+cypress@stackspin.net"
+password=$(pass stackspin/stackspin.net/cypress)
+
+if [ $1 == "--local" ]
+then
+  echo "Using locally built docker image."
+  image=dashboard-cypress
+else
+  echo "Using docker image from gitlab registry."
+  image=open.greenhost.net:4567/stackspin/dashboard/cypress-test:$tag
+fi
+
+docker run -it --rm \
+  -e CYPRESS_BASE_URL="$host" \
+  -e CYPRESS_SSO_USER="$user" \
+  -e CYPRESS_SSO_PASSWORD="$password" \
+  $image