Support interactive integration testing.

Interactive integration testing is useful when you're developing new tests, or
making changes to cli code.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: 1d945a9743748373cd5c5bfface3209d241007d7
Component: engine

components/engine/hack/make/test-integration-cli

@@ -1,10 +1,7 @@
 #!/bin/bash
 set -e
 
-bundle_test_integration_cli() {
-	TESTFLAGS="$TESTFLAGS -check.v -check.timeout=${TIMEOUT} -test.timeout=360m"
-	go_test_dir ./integration-cli
-}
+source hack/make/.integration-test-helpers
 
 # subshell so that we can export PATH without breaking other things
 (