Revert "Chore: Refactor quota service (#57586)" (#58394)

This reverts commit 326ea86a57.

pkg/api/metrics_test.go

@@ -94,12 +94,12 @@ func TestAPIEndpoint_Metrics_QueryMetricsV2(t *testing.T) {
 	serverFeatureEnabled := SetupAPITestServer(t, func(hs *HTTPServer) {
 		hs.queryDataService = qds
 		hs.Features = featuremgmt.WithFeatures(featuremgmt.FlagDatasourceQueryMultiStatus, true)
-		hs.QuotaService = quotatest.New(false, nil)
+		hs.QuotaService = quotatest.NewQuotaServiceFake()
 	})
 	serverFeatureDisabled := SetupAPITestServer(t, func(hs *HTTPServer) {
 		hs.queryDataService = qds
 		hs.Features = featuremgmt.WithFeatures(featuremgmt.FlagDatasourceQueryMultiStatus, false)
-		hs.QuotaService = quotatest.New(false, nil)
+		hs.QuotaService = quotatest.NewQuotaServiceFake()
 	})
 
 	t.Run("Status code is 400 when data source response has an error and feature toggle is disabled", func(t *testing.T) {
@@ -142,7 +142,7 @@ func TestAPIEndpoint_Metrics_PluginDecryptionFailure(t *testing.T) {
 	)
 	httpServer := SetupAPITestServer(t, func(hs *HTTPServer) {
 		hs.queryDataService = qds
-		hs.QuotaService = quotatest.New(false, nil)
+		hs.QuotaService = quotatest.NewQuotaServiceFake()
 	})
 
 	t.Run("Status code is 500 and a secrets plugin error is returned if there is a problem getting secrets from the remote plugin", func(t *testing.T) {
@@ -294,7 +294,7 @@ func TestDataSourceQueryError(t *testing.T) {
 					pluginClient.ProvideService(r, &config.Cfg{}),
 					&fakeOAuthTokenService{},
 				)
-				hs.QuotaService = quotatest.New(false, nil)
+				hs.QuotaService = quotatest.NewQuotaServiceFake()
 			})
 			req := srv.NewPostRequest("/api/ds/query", strings.NewReader(tc.request))
 			webtest.RequestWithSignedInUser(req, &user.SignedInUser{UserID: 1, OrgID: 1, OrgRole: org.RoleViewer})