[billing] Fix usage report download

components/usage/pkg/apiv1/billing_test.go

@@ -5,6 +5,12 @@
 package apiv1
 
 import (
+	"context"
+	"fmt"
+	"github.com/gitpod-io/gitpod/content-service/api"
+	"github.com/gitpod-io/gitpod/usage/pkg/contentservice"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"testing"
 	"time"
 
@@ -15,6 +21,18 @@ import (
 	"gorm.io/gorm"
 )
 
+func TestDownlaodUsageReport(t *testing.T) {
+	conn, err := grpc.Dial("localhost:8080", grpc.WithTransportCredentials(insecure.NewCredentials()))
+	require.NoError(t, err)
+
+	contentService := contentservice.New(api.NewUsageReportServiceClient(conn))
+
+	report, err := contentService.DownloadUsageReport(context.Background(), "2022-08-31T15:21:28Z.gz")
+	require.NoError(t, err)
+
+	fmt.Println(report)
+}
+
 func TestCreditSummaryForTeams(t *testing.T) {
 	teamID_A, teamID_B := uuid.New().String(), uuid.New().String()
 	teamAttributionID_A, teamAttributionID_B := db.NewTeamAttributionID(teamID_A), db.NewTeamAttributionID(teamID_B)