diff --git a/olmocr/bench/tests.py b/olmocr/bench/tests.py
index cdcaaba..e06f7d1 100644
--- a/olmocr/bench/tests.py
+++ b/olmocr/bench/tests.py
@@ -584,6 +584,8 @@ class TextOrderTest(BasePDFTest):
             raise ValidationError("Before field cannot be empty")
         if not self.after.strip():
             raise ValidationError("After field cannot be empty")
+        if self.max_diffs > len(self.before) // 2 or self.max_diffs > len(self.after) // 2:
+            raise ValidationError("Max diffs is too large for this test, greater than 50% of the search string")
 
     def run(self, md_content: str) -> Tuple[bool, str]:
         md_content = normalize_text(md_content)
@@ -856,6 +858,7 @@ class BaselineTest(BasePDFTest):
     """
 
     max_repeats: int = 30
+    check_disallowed_characters: bool = True
 
     def run(self, content: str) -> Tuple[bool, str]:
         if len("".join(c for c in content if c.isalnum()).strip()) == 0:
@@ -884,8 +887,9 @@ class BaselineTest(BasePDFTest):
             r"]",
             flags=re.UNICODE,
         )
+
         matches = pattern.findall(content)
-        if matches:
+        if self.check_disallowed_characters and matches:
             return False, f"Text contains disallowed characters {matches}"
 
         return True, ""
@@ -983,6 +987,8 @@ def load_tests(jsonl_file: str) -> List[BasePDFTest]:
                 test = TableTest(**data)
             elif test_type == TestType.MATH.value:
                 test = MathTest(**data)
+            elif test_type == TestType.BASELINE.value:
+                test = BaselineTest(**data)
             else:
                 raise ValidationError(f"Unknown test type: {test_type}")
             return (line_number, test)