hack: have integration-cli use gotestsum codepath

Signed-off-by: Tibor Vass <tibor@docker.com>

hack/make/.integration-test-helpers

@@ -47,16 +47,17 @@ integration_api_dirs="${TEST_INTEGRATION_DIR:-$(go list  -test -f '{{- if ne .Fo
 run_test_integration() {
 	set_platform_timeout
 	if [ -z "${TEST_SKIP_INTEGRATION}" ]; then
-		run_test_integration_suites
+		run_test_integration_suites "${integration_api_dirs}"
 	fi
 	if [ -z "${TEST_SKIP_INTEGRATION_CLI}" ]; then
-		run_test_integration_legacy_suites
+		TIMEOUT=360m run_test_integration_suites integration-cli
 	fi
 }
 
 run_test_integration_suites() {
 	local flags="-test.v -test.timeout=${TIMEOUT} $TESTFLAGS"
-	for dir in ${integration_api_dirs}; do
+	local dirs="$1"
+	for dir in ${dirs}; do
 		if ! (
 			cd "$dir"
 			# Create a useful package name based on the tests's $dir. We need to take
@@ -84,16 +85,6 @@ run_test_integration_suites() {
 	done
 }
 
-run_test_integration_legacy_suites() {
-	(
-		flags="-test.v -test.timeout=360m $TESTFLAGS"
-		cd integration-cli
-		echo "Running $PWD flags=${flags}"
-		# shellcheck disable=SC2086
-		test_env ./test.main $flags
-	)
-}
-
 build_test_suite_binaries() {
 	if [ -n "${DOCKER_INTEGRATION_TESTS_VERIFIED}" ]; then
 		echo "Skipping building test binaries; as DOCKER_INTEGRATION_TESTS_VERIFIED is set"