[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/custom_profile_attributes_test.go

@@ -7,7 +7,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"os"
 	"testing"
 	"time"
 
@@ -16,8 +15,7 @@ import (
 )
 
 func TestGetCPAField(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -122,8 +120,7 @@ func TestGetCPAField(t *testing.T) {
 }
 
 func TestListCPAFields(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -167,8 +164,7 @@ func TestListCPAFields(t *testing.T) {
 }
 
 func TestCreateCPAField(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 
 	cpaGroupID, cErr := th.App.CpaGroupID()
@@ -276,8 +272,7 @@ func TestCreateCPAField(t *testing.T) {
 }
 
 func TestPatchCPAField(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -540,8 +535,7 @@ func TestPatchCPAField(t *testing.T) {
 }
 
 func TestDeleteCPAField(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -622,8 +616,7 @@ func TestDeleteCPAField(t *testing.T) {
 }
 
 func TestGetCPAValue(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -699,9 +692,10 @@ func TestGetCPAValue(t *testing.T) {
 }
 
 func TestListCPAValues(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
-	th := Setup(t).InitBasic()
+	mainHelper.Parallel(t)
+	th := SetupConfig(t, func(cfg *model.Config) {
+		cfg.FeatureFlags.CustomProfileAttributes = true
+	}).InitBasic()
 	defer th.TearDown()
 
 	cpaGroupID, cErr := th.App.CpaGroupID()
@@ -756,8 +750,7 @@ func TestListCPAValues(t *testing.T) {
 }
 
 func TestPatchCPAValue(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
+	mainHelper.Parallel(t)
 	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
@@ -882,9 +875,10 @@ func TestPatchCPAValue(t *testing.T) {
 }
 
 func TestDeleteCPAValues(t *testing.T) {
-	os.Setenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES", "true")
-	defer os.Unsetenv("MM_FEATUREFLAGS_CUSTOMPROFILEATTRIBUTES")
-	th := Setup(t).InitBasic()
+	mainHelper.Parallel(t)
+	th := SetupConfig(t, func(cfg *model.Config) {
+		cfg.FeatureFlags.CustomProfileAttributes = true
+	}).InitBasic()
 	defer th.TearDown()
 
 	cpaGroupID, cErr := th.App.CpaGroupID()