ci: Run e2e tests in parallel
ci: Run e2e tests in parallel

Add support for tests to run on k8s v1.9 and v1.8 alongside the current v1.11

Signed-off-by: Kosy Anyanwu <519f5f08e431fb38e06b0e978780a5dcb63e1f73@kinvolk.io>

kinvolk/habitat-operator,kinvolk/habitat-operator