[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/plugin_deadlock_test.go

@@ -15,7 +15,7 @@ import (
 
 func TestPluginDeadlock(t *testing.T) {
 	t.Run("Single Plugin", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		pluginPostOnActivate := template.Must(template.New("pluginPostOnActivate").Parse(`
@@ -103,7 +103,7 @@ func TestPluginDeadlock(t *testing.T) {
 	})
 
 	t.Run("Multiple Plugins", func(t *testing.T) {
-		th := Setup().InitBasic()
+		th := Setup(t).InitBasic()
 		defer th.TearDown()
 
 		pluginPostOnHasBeenPosted := template.Must(template.New("pluginPostOnHasBeenPosted").Parse(`