[MM-13833] Configured unit tests to log through t.Log (#10272)

* Rerouted the unit test logs through t.Log

* resolving merge confilvts

* Update testing.go

* Update helper_test.go

* Added godocs for NewTestingLogger

* Added go docs for NewTestingLogger

* Resolving conflicts

app/post_test.go

@@ -19,7 +19,7 @@ import (
 )
 
 func TestCreatePostDeduplicate(t *testing.T) {
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	t.Run("duplicate create post is idempotent", func(t *testing.T) {
@@ -188,7 +188,7 @@ func TestCreatePostDeduplicate(t *testing.T) {
 
 func TestAttachFilesToPost(t *testing.T) {
 	t.Run("should attach files", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		info1 := store.Must(th.App.Srv.Store.FileInfo().Save(&model.FileInfo{
@@ -212,7 +212,7 @@ func TestAttachFilesToPost(t *testing.T) {
 	})
 
 	t.Run("should update File.PostIds after failing to add files", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		info1 := store.Must(th.App.Srv.Store.FileInfo().Save(&model.FileInfo{
@@ -244,7 +244,7 @@ func TestAttachFilesToPost(t *testing.T) {
 }
 
 func TestUpdatePostEditAt(t *testing.T) {
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	post := &model.Post{}
@@ -272,7 +272,7 @@ func TestUpdatePostEditAt(t *testing.T) {
 }
 
 func TestUpdatePostTimeLimit(t *testing.T) {
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	post := &model.Post{}
@@ -311,7 +311,7 @@ func TestUpdatePostTimeLimit(t *testing.T) {
 func TestPostReplyToPostWhereRootPosterLeftChannel(t *testing.T) {
 	// This test ensures that when replying to a root post made by a user who has since left the channel, the reply
 	// post completes successfully. This is a regression test for PLT-6523.
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	channel := th.BasicChannel
@@ -343,7 +343,7 @@ func TestPostReplyToPostWhereRootPosterLeftChannel(t *testing.T) {
 }
 
 func TestPostChannelMentions(t *testing.T) {
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	channel := th.BasicChannel
@@ -390,7 +390,7 @@ func TestPostChannelMentions(t *testing.T) {
 }
 
 func TestImageProxy(t *testing.T) {
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	th.App.UpdateConfig(func(cfg *model.Config) {
@@ -542,7 +542,7 @@ func TestMaxPostSize(t *testing.T) {
 }
 
 func TestDeletePostWithFileAttachments(t *testing.T) {
-	th := Setup().InitBasic()
+	th := Setup(t).InitBasic()
 	defer th.TearDown()
 
 	// Create a post with a file attachment.
@@ -588,7 +588,7 @@ func TestDeletePostWithFileAttachments(t *testing.T) {
 
 func TestCreatePost(t *testing.T) {
 	t.Run("call PreparePostForClient before returning", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		th.App.UpdateConfig(func(cfg *model.Config) {
@@ -616,7 +616,7 @@ func TestCreatePost(t *testing.T) {
 
 func TestPatchPost(t *testing.T) {
 	t.Run("call PreparePostForClient before returning", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		th.App.UpdateConfig(func(cfg *model.Config) {
@@ -652,7 +652,7 @@ func TestPatchPost(t *testing.T) {
 
 func TestUpdatePost(t *testing.T) {
 	t.Run("call PreparePostForClient before returning", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		th.App.UpdateConfig(func(cfg *model.Config) {