Minor

tests.py

@@ -411,8 +411,8 @@ class TestSemF1(unittest.TestCase):
         print(f"Case IV\n{_call_metric(predictions, references, tokenize_sentences, multi_references)}\n")
 
     def test_empty_input(self):
-        predictions = [""]
-        references = ["I go to School. You are stupid."]
+        predictions = ["", ""]
+        references = ["I go to School. You are stupid.", "I am"]
         scores = self.semf1_metric.compute(
             predictions=predictions,
             references=references,