Add run-integration-tests.sh script (aws#698)

* Add run-integration-tests.sh script

- Runs integration tests
- Uses aws-k8s-tester
- Adapted from CSI test script, there may still be some stuff in here
that won't apply

* Add node ping test and make ginkgo verbose

* Remove kubectl exec test code

* Fix test runner script

- Fix env vars
- Fix Deprovision command
- Split test and cluster config into separate /tmp directories
- combine cluster functions into lib/cluster.sh

go.mod

@@ -22,8 +22,8 @@ require (
 	github.com/json-iterator/go v1.1.5 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
-	github.com/onsi/ginkgo v1.8.0 // indirect
-	github.com/onsi/gomega v1.5.0 // indirect
+	github.com/onsi/ginkgo v1.8.0
+	github.com/onsi/gomega v1.5.0
 	github.com/operator-framework/operator-sdk v0.0.7
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pkg/errors v0.8.1