Chore: Make test tracer noop and return no errors (#50797)

pkg/tsdb/prometheus/buffered/framing_test.go

@@ -129,10 +129,7 @@ func runQuery(response []byte, query PrometheusQuery) (*backend.QueryDataRespons
 		return nil, err
 	}
 
-	tracer, err := tracing.InitializeTracerForTest()
-	if err != nil {
-		return nil, err
-	}
+	tracer := tracing.InitializeTracerForTest()
 
 	s := Buffered{
 		intervalCalculator: intervalv2.NewCalculator(),

pkg/tsdb/prometheus/buffered/prometeus_bench_test.go

@@ -21,10 +21,7 @@ func BenchmarkJson(b *testing.B) {
 	api, err := makeMockedApi(resp)
 	require.NoError(b, err)
 
-	tracer, err := tracing.InitializeTracerForTest()
-	require.NoError(b, err)
-
-	s := Buffered{tracer: tracer, log: &fakeLogger{}}
+	s := Buffered{tracer: tracing.InitializeTracerForTest(), log: &fakeLogger{}}
 
 	b.ResetTimer()
 	for n := 0; n < b.N; n++ {