From 60fb66ecdaf5a46a091b301bf2931d75b9fb6367 Mon Sep 17 00:00:00 2001
From: Tariq Ibrahim <tariq181290@gmail.com>
Date: Tue, 22 Oct 2019 11:03:38 -0700
Subject: [PATCH] use go 1.13.x to build go-multierror

---
 .travis.yml    | 4 ++--
 go.mod         | 2 ++
 prefix_test.go | 3 +++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 24b8038..8a78a46 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,10 +3,10 @@ sudo: false
 language: go
 
 go:
-  - 1.x
+  - 1.13.x
 
 branches:
   only:
     - master
 
-script: env GO111MODULE=on make test testrace
+script: make test testrace
diff --git a/go.mod b/go.mod
index 2534331..8c91af6 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module github.com/hashicorp/go-multierror
 
 require github.com/hashicorp/errwrap v1.0.0
+
+go 1.13
diff --git a/prefix_test.go b/prefix_test.go
index 1d4a6f6..849ec3a 100644
--- a/prefix_test.go
+++ b/prefix_test.go
@@ -27,6 +27,9 @@ func TestPrefix_NilError(t *testing.T) {
 func TestPrefix_NonError(t *testing.T) {
 	original := errors.New("foo")
 	result := Prefix(original, "bar")
+	if result == nil {
+		t.Fatal("error result was nil")
+	}
 	if result.Error() != "bar foo" {
 		t.Fatalf("bad: %s", result)
 	}