fix some bugs (#1034)

mmdet3d/core/visualizer/show_result.py

@@ -77,7 +77,7 @@ def show_result(points,
                 pred_bboxes,
                 out_dir,
                 filename,
-                show=True,
+                show=False,
                 snapshot=False):
     """Convert results into format that is directly readable for meshlab.
 

tools/create_data.py

@@ -169,7 +169,7 @@ def waymo_data_prep(root_path,
             save_dir,
             prefix=str(i),
             workers=workers,
-            test_mode=(split == 'test'))
+            test_mode=(split == 'testing'))
         converter.convert()
     # Generate waymo infos
     out_dir = osp.join(out_dir, 'kitti_format')