Remove useless test

tests/test_flag_evaluation.py

@@ -30,32 +30,6 @@ def test_evaluation_details_reason_should_be_a_string():
     assert error_code == flag_details.error_code
     assert error_message == flag_details.error_message
     assert reason == flag_details.reason
-    assert isinstance(flag_details.reason, str)
-
-
-def test_evaluation_details_reason_can_be_arbitrary_string():
-    # Given
-    flag_key = "my-flag"
-    flag_value = 100
-    variant = "1-hundred"
-    flag_metadata = {}
-    reason = "Non-standard reason"
-    error_code = ErrorCode.GENERAL
-    error_message = "message"
-
-    # When
-    flag_details = FlagEvaluationDetails(
-        flag_key,
-        flag_value,
-        variant,
-        flag_metadata,
-        reason,
-        error_code,
-        error_message,
-    )
-
-    # Then
-    assert reason == flag_details.reason
 
 
 def test_evaluation_details_reason_should_be_a_string_when_set():
@@ -80,4 +54,3 @@ def test_evaluation_details_reason_should_be_a_string_when_set():
 
     # Then
     assert Reason.STATIC == flag_details.reason  # noqa: SIM300
-    assert isinstance(flag_details.reason, str)