Remove 1.11 hack (#721)

* Removed some of the 1.11 hacks and updated Travis to use Go 1.11.1.

* Made a note about Go 1.11 tests in the docs.

.travis.yml

@@ -3,7 +3,7 @@ language: go
 go:
   - '1.9'
   - '1.10'
-  - '1.11'
+  - '1.11.1'
 
 env:
   - DEP_VERSION="0.5.0"

docs/developers/automated-tests.md

@@ -1,5 +1,8 @@
 # Automated Tests
 
+**NOTE**: The automated tests will not pass on Go 1.11 due to [this bug](https://github.com/golang/go/issues/27275) in Go.
+This issue has been fixed in Go 1.11.1.
+
 This project uses [TravisCI](https://travis-ci.org/) to make sure that every PR passes automated tests.
 To reproduce these tests locally, use:
 

endpoints/openrtb2/auction_test.go

@@ -616,6 +616,15 @@ func (e *brokenExchange) HoldAuction(ctx context.Context, bidRequest *openrtb.Bi
 	return nil, errors.New("Critical, unrecoverable error.")
 }
 
+func getMessage(t *testing.T, example []byte) []byte {
+	if value, err := jsonparser.GetString(example, "message"); err != nil {
+		t.Fatalf("Error parsing root.message from request: %v.", err)
+	} else {
+		return []byte(value)
+	}
+	return nil
+}
+
 // StoredRequest testing
 
 // Test stored request data

endpoints/openrtb2/sample-requests/invalid-whole/user-ext-consent-int.json

@@ -1,6 +1,5 @@
 {
   "message": "Invalid request: request.user.ext object is not valid: json: cannot unmarshal number into Go struct field ExtUser.consent of type string\n",
-  "message_go1.11": "Invalid request: request.user.ext object is not valid: json: cannot unmarshal number into Go value of type string\n",
   "requestPayload": {
     "id": "b9c97a4b-cbc4-483d-b2c4-58a19ed5cfc5",
     "site": {