Remove unnecessary test case

tests.py

@@ -17,16 +17,6 @@
 # ]
 
 test_cases = [
-    {
-        "predictions": ["1111", "1113", "1120", "1211"],
-        "references": ["1111", "1112", "1113", "1114"],
-        "result": {
-            "accuracy": 0.25,
-            "hierarchical_precision": 0.7142857142857143,
-            "hierarchical_recall": 0.5,
-            "hierarchical_fmeasure": 0.588235294117647,
-        },
-    },
     {
         "references": ["1111"],
         "predictions": ["1111"],