Fix tests agains meta in JSON

Author: rcmangasaryan

tests/test_annotation_adding.py

@@ -95,7 +95,7 @@ def test_add_bbox(tmpdir):
 
     num = len(df[df["imageName"] == image_name]["instanceId"].dropna().unique())
 
-    assert num == len(annotations) - 2 + 7
+    assert num == len(annotations) - 3 + 7
 
 
 def test_add_bbox_noinit(tmpdir):

tests/test_single_annotation_upload_download.py

@@ -53,9 +53,9 @@ def test_annotation_download_upload(
     json1 = json.load(open(input_annotation_paths[0]))
     json2 = json.load(open(anns_json_in_folder[0]))
     for i in json1:
-        del i["classId"]
+        i.pop("classId", None)
     for i in json2:
-        del i["classId"]
+        i.pop("classId", None)
     assert json1 == json2
     if project_type == "Pixel":
         assert filecmp.cmp(