[MM-61074] Fix errcheck issues in oauth_test.go and web_test.go (#30707)

Co-authored-by: Claude <noreply@anthropic.com>

server/channels/jobs/batch_worker_test.go

@@ -18,7 +18,6 @@ import (
 // cases of the batch worker. Use the -race flag while testing this.
 func TestBatchWorkerRace(t *testing.T) {
 	th := Setup(t)
-	defer th.TearDown()
 
 	worker := jobs.MakeBatchWorker(th.Server.Jobs, th.Server.Store(), 1*time.Second, func(rctx *request.Context, job *model.Job) bool {
 		return false
@@ -59,8 +58,7 @@ func TestBatchWorker(t *testing.T) {
 	}
 
 	t.Run("stop after first batch", func(t *testing.T) {
-		th := Setup(t).InitBasic()
-		defer th.TearDown()
+		th := Setup(t).InitBasic(t)
 
 		var worker *jobs.BatchWorker
 		worker, job := createBatchWorker(t, th, func(rctx *request.Context, job *model.Job) bool {
@@ -86,8 +84,7 @@ func TestBatchWorker(t *testing.T) {
 	})
 
 	t.Run("stop after second batch", func(t *testing.T) {
-		th := Setup(t).InitBasic()
-		defer th.TearDown()
+		th := Setup(t).InitBasic(t)
 
 		var worker *jobs.BatchWorker
 		worker, job := createBatchWorker(t, th, func(rctx *request.Context, job *model.Job) bool {
@@ -113,8 +110,7 @@ func TestBatchWorker(t *testing.T) {
 	})
 
 	t.Run("done after first batch", func(t *testing.T) {
-		th := Setup(t).InitBasic()
-		defer th.TearDown()
+		th := Setup(t).InitBasic(t)
 
 		var worker *jobs.BatchWorker
 		worker, job := createBatchWorker(t, th, func(rctx *request.Context, job *model.Job) bool {
@@ -137,8 +133,7 @@ func TestBatchWorker(t *testing.T) {
 	})
 
 	t.Run("done after three batches", func(t *testing.T) {
-		th := Setup(t).InitBasic()
-		defer th.TearDown()
+		th := Setup(t).InitBasic(t)
 
 		var worker *jobs.BatchWorker
 		worker, job := createBatchWorker(t, th, func(rctx *request.Context, job *model.Job) bool {