Preserve the suppressed context of an original error

src/graphql/error/graphql_error.py

@@ -314,6 +314,7 @@ def __init__(
                     self.__cause__ = original_error.__cause__
                 elif original_error.__context__:
                     self.__context__ = original_error.__context__
+                    self.__suppress_context__ = original_error.__suppress_context__
 
         if extensions is None and underlying_error is not None:
             original_extensions = getattr(underlying_error, "extensions", None)

tests/error/test_graphql_error.py

@@ -119,6 +119,19 @@ def passes_the_context_of_an_original_error():
         e = GraphQLError("msg", original_error=original)
         assert e.__context__ is context
 
+    def passes_the_suppressed_context_of_an_original_error():
+        context = ValueError("hidden")
+        try:
+            raise context
+        except ValueError:
+            try:
+                raise RuntimeError("effect") from None
+            except RuntimeError as runtime_error:
+                original = runtime_error
+        e = GraphQLError("msg", original_error=original)
+        assert e.__context__ is context
+        assert e.__suppress_context__ is True
+
     def passes_the_cause_of_an_original_error():
         cause = ValueError("cause")
         try: