testuite/miniogw: add small fixes to listing tests

This change fixes minor issues in listing tests, i.e. passing the
correct bucket name and testing both versions of the listing action
(instead of just one) in a few cases.

Change-Id: I35d76ee8cd400bec15325c39c4fd917b5952901a

testsuite/miniogw/gateway_test.go

@@ -905,7 +905,7 @@ func TestListObjects(t *testing.T) {
 	t.Parallel()
 
 	f := func(ctx context.Context, layer minio.ObjectLayer, bucket, prefix, marker, delimiter string, maxKeys int) ([]string, []minio.ObjectInfo, string, string, bool, error) {
-		list, err := layer.ListObjects(ctx, testBucket, prefix, marker, delimiter, maxKeys)
+		list, err := layer.ListObjects(ctx, bucket, prefix, marker, delimiter, maxKeys)
 		if err != nil {
 			return nil, nil, "", "", false, err
 		}
@@ -948,7 +948,7 @@ func TestListObjectsV2(t *testing.T) {
 	t.Parallel()
 
 	f := func(ctx context.Context, layer minio.ObjectLayer, bucket, prefix, marker, delimiter string, maxKeys int) ([]string, []minio.ObjectInfo, string, string, bool, error) {
-		list, err := layer.ListObjectsV2(ctx, testBucket, prefix, marker, delimiter, maxKeys, false, "")
+		list, err := layer.ListObjectsV2(ctx, bucket, prefix, marker, delimiter, maxKeys, false, "")
 		if err != nil {
 			return nil, nil, "", "", false, err
 		}
@@ -990,11 +990,11 @@ func TestListObjectsV2(t *testing.T) {
 func testListObjects(t *testing.T, listObjects listObjectsFunc) {
 	runTest(t, func(t *testing.T, ctx context.Context, layer minio.ObjectLayer, project *uplink.Project) {
 		// Check the error when listing objects in a bucket with empty name
-		_, err := layer.ListObjects(ctx, "", "", "", "/", 0)
+		_, _, _, _, _, err := listObjects(ctx, layer, "", "", "", "/", 0)
 		assert.Equal(t, minio.BucketNameInvalid{}, err)
 
 		// Check the error when listing objects in a non-existing bucket
-		_, err = layer.ListObjects(ctx, testBucket, "", "", "", 0)
+		_, _, _, _, _, err = listObjects(ctx, layer, testBucket, "", "", "", 0)
 		assert.Equal(t, minio.BucketNotFound{Bucket: testBucket}, err)
 
 		// Create the bucket and files using the Uplink API