fix test

Author: wyattscarpenter

test-data/unit/check-errorcodes.test

@@ -550,7 +550,10 @@ if int() is str():  # E: Non-overlapping identity check (left operand type: "int
 [builtins fixtures/primitives.pyi]
 
 [case testErrorCodeMissingModule]
-from defusedxml import xyz  # E: Library stubs not installed for "defusedxml"  [import-untyped] \
+# Note: it was too difficult for me to figure out how to test [import-untyped] here,
+# (ideally, it would!)
+# but testNamespacePkgWStubs does test that, anyway.
+from defusedxml import xyz  # E: Library stubs not installed for "defusedxml"  [import-untyped-stubs-available] \
                             # N: Hint: "python3 -m pip install types-defusedxml" \
                             # N: (or run "mypy --install-types" to install all missing stub packages)
 from nonexistent import foobar  # E: Cannot find implementation or library stub for module named "nonexistent"  [import-not-found]