[MM-62408] Server Code Coverage with Fully Parallel Tests (#30078)

* TestPool

* Store infra

* Store tests updates

* Bump maximum concurrent postgres connections

* More infra

* channels/jobs

* channels/app

* channels/api4

* Protect i18n from concurrent access

* Replace some use of os.Setenv

* Remove debug

* Lint fixes

* Fix more linting

* Fix test

* Remove use of Setenv in drafts tests

* Fix flaky TestWebHubCloseConnOnDBFail

* Fix merge

* [MM-62408] Add CI job to generate test coverage (#30284)

* Add CI job to generate test coverage

* Remove use of Setenv in drafts tests

* Fix flaky TestWebHubCloseConnOnDBFail

* Fix more Setenv usage

* Fix more potential flakyness

* Remove parallelism from flaky test

* Remove conflicting env var

* Fix

* Disable parallelism

* Test atomic covermode

* Disable parallelism

* Enable parallelism

* Add upload coverage step

* Fix codecov.yml

* Add codecov.yml

* Remove redundant workspace field

* Add Parallel() util methods and refactor

* Fix formatting

* More formatting fixes

* Fix reporting

server/channels/app/auto_responder_test.go

@@ -14,6 +14,7 @@ import (
 )
 
 func TestSetAutoResponderStatus(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -55,6 +56,7 @@ func TestSetAutoResponderStatus(t *testing.T) {
 }
 
 func TestDisableAutoResponder(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -90,6 +92,7 @@ func TestDisableAutoResponder(t *testing.T) {
 }
 
 func TestSendAutoResponseIfNecessary(t *testing.T) {
+	mainHelper.Parallel(t)
 	t.Run("should send auto response when enabled", func(t *testing.T) {
 		th := Setup(t).InitBasic()
 		defer th.TearDown()
@@ -110,7 +113,8 @@ func TestSendAutoResponseIfNecessary(t *testing.T) {
 		savedPost, _ := th.App.CreatePost(th.Context, &model.Post{
 			ChannelId: channel.Id,
 			Message:   NewTestId(),
-			UserId:    th.BasicUser.Id},
+			UserId:    th.BasicUser.Id,
+		},
 			th.BasicChannel,
 			model.CreatePostFlags{SetOnline: true})
 
@@ -140,7 +144,8 @@ func TestSendAutoResponseIfNecessary(t *testing.T) {
 		savedPost, _ := th.App.CreatePost(th.Context, &model.Post{
 			ChannelId: channel.Id,
 			Message:   NewTestId(),
-			UserId:    th.BasicUser.Id},
+			UserId:    th.BasicUser.Id,
+		},
 			th.BasicChannel,
 			model.CreatePostFlags{SetOnline: true})
 
@@ -157,7 +162,8 @@ func TestSendAutoResponseIfNecessary(t *testing.T) {
 		savedPost, _ := th.App.CreatePost(th.Context, &model.Post{
 			ChannelId: th.BasicChannel.Id,
 			Message:   NewTestId(),
-			UserId:    th.BasicUser.Id},
+			UserId:    th.BasicUser.Id,
+		},
 			th.BasicChannel,
 			model.CreatePostFlags{SetOnline: true})
 
@@ -197,7 +203,8 @@ func TestSendAutoResponseIfNecessary(t *testing.T) {
 		savedPost, _ := th.App.CreatePost(th.Context, &model.Post{
 			ChannelId: channel.Id,
 			Message:   NewTestId(),
-			UserId:    botUser.Id},
+			UserId:    botUser.Id,
+		},
 			th.BasicChannel,
 			model.CreatePostFlags{SetOnline: true})
 
@@ -249,6 +256,7 @@ func TestSendAutoResponseIfNecessary(t *testing.T) {
 }
 
 func TestSendAutoResponseSuccess(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -269,7 +277,8 @@ func TestSendAutoResponseSuccess(t *testing.T) {
 	savedPost, _ := th.App.CreatePost(th.Context, &model.Post{
 		ChannelId: th.BasicChannel.Id,
 		Message:   "zz" + model.NewId() + "a",
-		UserId:    th.BasicUser.Id},
+		UserId:    th.BasicUser.Id,
+	},
 		th.BasicChannel,
 		model.CreatePostFlags{SetOnline: true})
 
@@ -292,6 +301,7 @@ func TestSendAutoResponseSuccess(t *testing.T) {
 }
 
 func TestSendAutoResponseSuccessOnThread(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -312,7 +322,8 @@ func TestSendAutoResponseSuccessOnThread(t *testing.T) {
 	parentPost, _ := th.App.CreatePost(th.Context, &model.Post{
 		ChannelId: th.BasicChannel.Id,
 		Message:   "zz" + model.NewId() + "a",
-		UserId:    th.BasicUser.Id},
+		UserId:    th.BasicUser.Id,
+	},
 		th.BasicChannel,
 		model.CreatePostFlags{SetOnline: true})
 
@@ -344,6 +355,7 @@ func TestSendAutoResponseSuccessOnThread(t *testing.T) {
 }
 
 func TestSendAutoResponseFailure(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -364,7 +376,8 @@ func TestSendAutoResponseFailure(t *testing.T) {
 	savedPost, _ := th.App.CreatePost(th.Context, &model.Post{
 		ChannelId: th.BasicChannel.Id,
 		Message:   "zz" + model.NewId() + "a",
-		UserId:    th.BasicUser.Id},
+		UserId:    th.BasicUser.Id,
+	},
 		th.BasicChannel,
 		model.CreatePostFlags{SetOnline: true})