Stop using custom media type for Multiple Assignees.

Fixes #399.
Fixes #401.

Change-Id: I97be757ad8672c649076ecbb0a51d60576d29164

github/github.go

@@ -73,9 +73,6 @@ const (
 	// https://developer.github.com/changes/2016-04-04-git-signing-api-preview/
 	mediaTypeGitSigningPreview = "application/vnd.github.cryptographer-preview+json"
 
-	// https://developer.github.com/changes/2016-5-27-multiple-assignees/
-	mediaTypeMultipleAssigneesPreview = "application/vnd.github.cerberus-preview+json"
-
 	// https://developer.github.com/changes/2016-05-23-timeline-preview-api/
 	mediaTypeTimelinePreview = "application/vnd.github.mockingbird-preview+json"
 

github/issues.go

@@ -244,9 +244,6 @@ func (s *IssuesService) Create(owner string, repo string, issue *IssueRequest) (
 		return nil, nil, err
 	}
 
-	// TODO: remove custom Accept header when this API fully launches.
-	req.Header.Set("Accept", mediaTypeMultipleAssigneesPreview)
-
 	i := new(Issue)
 	resp, err := s.client.Do(req, i)
 	if err != nil {
@@ -266,9 +263,6 @@ func (s *IssuesService) Edit(owner string, repo string, number int, issue *Issue
 		return nil, nil, err
 	}
 
-	// TODO: remove custom Accept header when this API fully launches.
-	req.Header.Set("Accept", mediaTypeMultipleAssigneesPreview)
-
 	i := new(Issue)
 	resp, err := s.client.Do(req, i)
 	if err != nil {

github/issues_assignees.go

@@ -58,9 +58,6 @@ func (s *IssuesService) AddAssignees(owner, repo string, number int, assignees [
 		return nil, nil, err
 	}
 
-	// TODO: remove custom Accept header when this API fully launches.
-	req.Header.Set("Accept", mediaTypeMultipleAssigneesPreview)
-
 	issue := &Issue{}
 	resp, err := s.client.Do(req, issue)
 	return issue, resp, err
@@ -79,9 +76,6 @@ func (s *IssuesService) RemoveAssignees(owner, repo string, number int, assignee
 		return nil, nil, err
 	}
 
-	// TODO: remove custom Accept header when this API fully launches.
-	req.Header.Set("Accept", mediaTypeMultipleAssigneesPreview)
-
 	issue := &Issue{}
 	resp, err := s.client.Do(req, issue)
 	return issue, resp, err

github/issues_assignees_test.go

@@ -109,7 +109,6 @@ func TestIssuesService_AddAssignees(t *testing.T) {
 		json.NewDecoder(r.Body).Decode(&assignees)
 
 		testMethod(t, r, "POST")
-		testHeader(t, r, "Accept", mediaTypeMultipleAssigneesPreview)
 		want := []string{"user1", "user2"}
 		if !reflect.DeepEqual(assignees.Assignees, want) {
 			t.Errorf("assignees = %+v, want %+v", assignees, want)
@@ -139,7 +138,6 @@ func TestIssuesService_RemoveAssignees(t *testing.T) {
 		json.NewDecoder(r.Body).Decode(&assignees)
 
 		testMethod(t, r, "DELETE")
-		testHeader(t, r, "Accept", mediaTypeMultipleAssigneesPreview)
 		want := []string{"user1", "user2"}
 		if !reflect.DeepEqual(assignees.Assignees, want) {
 			t.Errorf("assignees = %+v, want %+v", assignees, want)

github/issues_test.go

@@ -188,7 +188,6 @@ func TestIssuesService_Create(t *testing.T) {
 		json.NewDecoder(r.Body).Decode(v)
 
 		testMethod(t, r, "POST")
-		testHeader(t, r, "Accept", mediaTypeMultipleAssigneesPreview)
 		if !reflect.DeepEqual(v, input) {
 			t.Errorf("Request body = %+v, want %+v", v, input)
 		}
@@ -223,7 +222,6 @@ func TestIssuesService_Edit(t *testing.T) {
 		json.NewDecoder(r.Body).Decode(v)
 
 		testMethod(t, r, "PATCH")
-		testHeader(t, r, "Accept", mediaTypeMultipleAssigneesPreview)
 		if !reflect.DeepEqual(v, input) {
 			t.Errorf("Request body = %+v, want %+v", v, input)
 		}