skip e2e/vault if integration isn't set

GNUmakefile

@@ -264,6 +264,7 @@ e2e-test: dev ## Run the Nomad e2e test suite
 		-cover \
 		-timeout=900s \
 		github.com/hashicorp/nomad/e2e/vault/
+		-integration
 
 .PHONY: clean
 clean: GOPATH=$(shell go env GOPATH)

e2e/vault/vault_test.go

@@ -4,6 +4,7 @@ import (
 	"archive/zip"
 	"bytes"
 	"context"
+	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -24,6 +25,8 @@ import (
 	vapi "github.com/hashicorp/vault/api"
 )
 
+var integration = flag.Bool("integration", false, "run integration tests")
+
 // harness is used to retrieve the required Vault test binaries
 type harness struct {
 	t      *testing.T
@@ -171,6 +174,10 @@ func (h *harness) get(version string) error {
 
 // TestVaultCompatibility tests compatibility across Vault versions
 func TestVaultCompatibility(t *testing.T) {
+	if !*integration {
+		t.Skip("skipping test in non-integration mode.")
+	}
+
 	h := newHarness(t)
 	vaultBinaries := h.reconcile()