[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/team_test.go

@@ -31,6 +31,7 @@ import (
 )
 
 func TestCreateTeam(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -50,6 +51,7 @@ func TestCreateTeam(t *testing.T) {
 }
 
 func TestCreateTeamWithUser(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -69,6 +71,7 @@ func TestCreateTeamWithUser(t *testing.T) {
 }
 
 func TestUpdateTeam(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -80,6 +83,7 @@ func TestUpdateTeam(t *testing.T) {
 }
 
 func TestAddUserToTeam(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -223,6 +227,7 @@ func TestAddUserToTeam(t *testing.T) {
 }
 
 func TestAddUserToTeamByToken(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -482,6 +487,7 @@ func TestAddUserToTeamByToken(t *testing.T) {
 }
 
 func TestAddUserToTeamByTeamId(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -512,6 +518,7 @@ func TestAddUserToTeamByTeamId(t *testing.T) {
 }
 
 func TestAdjustTeamsFromProductLimits(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 	teams := []*model.Team{
@@ -665,6 +672,7 @@ func TestAdjustTeamsFromProductLimits(t *testing.T) {
 }
 
 func TestPermanentDeleteTeam(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -713,6 +721,7 @@ func TestPermanentDeleteTeam(t *testing.T) {
 }
 
 func TestSanitizeTeam(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -839,6 +848,7 @@ func TestSanitizeTeam(t *testing.T) {
 }
 
 func TestSanitizeTeams(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -912,6 +922,7 @@ func TestSanitizeTeams(t *testing.T) {
 }
 
 func TestJoinUserToTeam(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -1045,6 +1056,7 @@ func TestJoinUserToTeam(t *testing.T) {
 }
 
 func TestLeaveTeamPanic(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := SetupWithStoreMock(t)
 	defer th.TearDown()
 
@@ -1058,7 +1070,8 @@ func TestLeaveTeamPanic(t *testing.T) {
 	mockChannelStore.On("GetMember", context.Background(), "channelID", "userID").Return(&model.ChannelMember{
 		NotifyProps: model.StringMap{
 			model.PushNotifyProp: model.ChannelNotifyDefault,
-		}}, nil)
+		},
+	}, nil)
 	mockChannelStore.On("GetChannels", "myteam", "userID", mock.Anything).Return(model.ChannelList{}, nil)
 
 	var err error
@@ -1127,6 +1140,7 @@ func TestLeaveTeamPanic(t *testing.T) {
 }
 
 func TestAppUpdateTeamScheme(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -1182,6 +1196,7 @@ func TestAppUpdateTeamScheme(t *testing.T) {
 }
 
 func TestGetTeamMembers(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -1293,6 +1308,7 @@ func TestGetTeamMembers(t *testing.T) {
 }
 
 func TestGetTeamStats(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -1357,6 +1373,7 @@ func TestGetTeamStats(t *testing.T) {
 }
 
 func TestUpdateTeamMemberRolesChangingGuest(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -1420,6 +1437,7 @@ func TestUpdateTeamMemberRolesChangingGuest(t *testing.T) {
 }
 
 func TestInvalidateAllResendInviteEmailJobs(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -1443,6 +1461,7 @@ func TestInvalidateAllResendInviteEmailJobs(t *testing.T) {
 }
 
 func TestInvalidateAllEmailInvites(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t)
 	defer th.TearDown()
 
@@ -1487,6 +1506,7 @@ func TestInvalidateAllEmailInvites(t *testing.T) {
 }
 
 func TestClearTeamMembersCache(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := SetupWithStoreMock(t)
 	defer th.TearDown()
 
@@ -1509,6 +1529,7 @@ func TestClearTeamMembersCache(t *testing.T) {
 }
 
 func TestInviteNewUsersToTeamGracefully(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -1622,6 +1643,7 @@ func TestInviteNewUsersToTeamGracefully(t *testing.T) {
 }
 
 func TestInviteGuestsToChannelsGracefully(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -1686,6 +1708,7 @@ func TestInviteGuestsToChannelsGracefully(t *testing.T) {
 }
 
 func TestTeamSendEvents(t *testing.T) {
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()