Fix 'overriden' -> 'overridden' in tests

Author: duane9

Lib/test/test_build_details.py

@@ -33,7 +33,7 @@
 class FormatTestsBase:
     @property
     def contents(self):
-        """Install details file contents. Should be overriden by subclasses."""
+        """Install details file contents. Should be overridden by subclasses."""
         raise NotImplementedError
 
     @property

Lib/test/test_dict.py

@@ -1581,7 +1581,7 @@ def check_unhashable_key():
         with check_unhashable_key():
             d.get(key)
 
-        # Only TypeError exception is overriden,
+        # Only TypeError exception is overridden,
         # other exceptions are left unchanged.
         class HashError:
             def __hash__(self):

Lib/test/test_set.py

@@ -661,7 +661,7 @@ def check_unhashable_element():
         with check_unhashable_element():
             myset.discard(elem)
 
-        # Only TypeError exception is overriden,
+        # Only TypeError exception is overridden,
         # other exceptions are left unchanged.
         class HashError:
             def __hash__(self):