test: Revert schematron related test changes

test-stub/test-mypy-bug.yml

@@ -47,20 +47,3 @@
     el.tag = b
     el.text = b
     el.tail = b
-
-# original test: test-validator.yml::superclass_validate_method
-# Mypy failed to match _Element or _ElementTree against TypeVar
-# with bound and default type value
-# And somehow this only appeared for Schematron but not other
-# validators
-# Besides, pyright just works
-- case: mypy_not_matching_pep696
-  expect_fail: true
-  main: |
-    from lxml.isoschematron import Schematron
-    from lxml.etree import _Element, _ElementTree
-    sch: Schematron
-    elem: _Element
-    tree: _ElementTree
-    reveal_type(sch(elem))  # NR: .+ "[\w\.]+\.bool"$
-    reveal_type(sch(tree))  # NR: .+ "[\w\.]+\.bool"$

test-stub/test-validator.yml

@@ -109,7 +109,7 @@
     - obj: rng
     - obj: dtd
     - obj: schema
-    # - obj: tron  # see mypy_not_matching_pep696 test
+    - obj: tron
   main: |
     from inc import rng, dtd, schema, tron, tree, elem
     reveal_type({{ obj }}(tree))  # NR: .+ "[\w\.]+\.bool"$