[MM-49989] Pass a context.Context to Client4 methods (#22922)

* Migrate all method in model/client4.go to accept a context.Context

* Fix th.*Client

* Fix remaining issues

* Empty commit to triger CI

* Fix test

* Add cancellation test

* Test that returned error is context.Canceled

* Fix bad merge

* Update mmctl code

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/cmd/mmctl/commands/roles_test.go

@@ -4,6 +4,7 @@
 package commands
 
 import (
+	"context"
 	"fmt"
 	"net/http"
 
@@ -24,13 +25,13 @@ func (s *MmctlUnitTestSuite) TestMakeAdminCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(mockUser.Email, "").
+			GetUserByEmail(context.Background(), mockUser.Email, "").
 			Return(mockUser, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			UpdateUserRoles(mockUser.Id, newRoles).
+			UpdateUserRoles(context.Background(), mockUser.Id, newRoles).
 			Return(&model.Response{StatusCode: http.StatusOK}, nil).
 			Times(1)
 
@@ -50,7 +51,7 @@ func (s *MmctlUnitTestSuite) TestMakeAdminCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(mockUser.Email, "").
+			GetUserByEmail(context.Background(), mockUser.Email, "").
 			Return(mockUser, &model.Response{}, nil).
 			Times(1)
 
@@ -68,19 +69,19 @@ func (s *MmctlUnitTestSuite) TestMakeAdminCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(emailArg, "").
+			GetUserByEmail(context.Background(), emailArg, "").
 			Return(nil, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			GetUserByUsername(emailArg, "").
+			GetUserByUsername(context.Background(), emailArg, "").
 			Return(nil, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			GetUser(emailArg, "").
+			GetUser(context.Background(), emailArg, "").
 			Return(nil, &model.Response{}, nil).
 			Times(1)
 
@@ -100,13 +101,13 @@ func (s *MmctlUnitTestSuite) TestMakeAdminCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(mockUser.Email, "").
+			GetUserByEmail(context.Background(), mockUser.Email, "").
 			Return(mockUser, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			UpdateUserRoles(mockUser.Id, newRoles).
+			UpdateUserRoles(context.Background(), mockUser.Id, newRoles).
 			Return(&model.Response{StatusCode: http.StatusBadRequest}, errors.New("mock error")).
 			Times(1)
 
@@ -127,13 +128,13 @@ func (s *MmctlUnitTestSuite) TestMakeMemberCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(mockUser.Email, "").
+			GetUserByEmail(context.Background(), mockUser.Email, "").
 			Return(mockUser, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			UpdateUserRoles(mockUser.Id, "system_user").
+			UpdateUserRoles(context.Background(), mockUser.Id, "system_user").
 			Return(&model.Response{StatusCode: http.StatusOK}, nil).
 			Times(1)
 
@@ -152,7 +153,7 @@ func (s *MmctlUnitTestSuite) TestMakeMemberCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(mockUser.Email, "").
+			GetUserByEmail(context.Background(), mockUser.Email, "").
 			Return(mockUser, &model.Response{}, nil).
 			Times(1)
 
@@ -170,13 +171,13 @@ func (s *MmctlUnitTestSuite) TestMakeMemberCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(mockUser.Email, "").
+			GetUserByEmail(context.Background(), mockUser.Email, "").
 			Return(mockUser, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			UpdateUserRoles(mockUser.Id, "system_user").
+			UpdateUserRoles(context.Background(), mockUser.Id, "system_user").
 			Return(&model.Response{StatusCode: http.StatusBadRequest}, errors.New("mock error")).
 			Times(1)
 
@@ -195,19 +196,19 @@ func (s *MmctlUnitTestSuite) TestMakeMemberCmd() {
 
 		s.client.
 			EXPECT().
-			GetUserByEmail(emailArg, "").
+			GetUserByEmail(context.Background(), emailArg, "").
 			Return(nil, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			GetUserByUsername(emailArg, "").
+			GetUserByUsername(context.Background(), emailArg, "").
 			Return(nil, &model.Response{}, nil).
 			Times(1)
 
 		s.client.
 			EXPECT().
-			GetUser(emailArg, "").
+			GetUser(context.Background(), emailArg, "").
 			Return(nil, &model.Response{}, nil).
 			Times(1)