use ignore_errors for dataclasses_match_args.py

Author: AlexWaygood

conformance/results/results.html

@@ -850,7 +850,7 @@ <h3>Python Type System Conformance Test Results</h3>
 <th class="column col2 conformant">Pass</th>
 <th class="column col2 conformant">Pass</th>
 <th class="column col2 conformant">Pass</th>
-<th class="column col2 conformant"><div class="hover-text">Pass*<span class="tooltip-text" id="bottom"><p>Infers `__match_args__` as having type `tuple[()] | Unknown` for `__match_args__ = ()`</p></span></div></th>
+<th class="column col2 conformant">Pass</th>
 </tr>
 <tr><th class="column col1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dataclasses_order</th>
 <th class="column col2 conformant">Pass</th>

conformance/results/ty/dataclasses_match_args.toml

@@ -1,9 +1,7 @@
-conformance_automated = "Fail"
+conformance_automated = "Pass"
 conformant = "Pass"
-notes = """
-Infers `__match_args__` as having type `tuple[()] | Unknown` for `__match_args__ = ()`"""
+ignore_errors = ["Type `Unknown | tuple[()]` does not match asserted type `tuple[()]`"]
 errors_diff = """
-Line 49: Unexpected errors ['dataclasses_match_args.py:49:1: error[type-assertion-failure] Type `Unknown | tuple[()]` does not match asserted type `tuple[()]`']
 """
 output = """
 dataclasses_match_args.py:42:1: error[unresolved-attribute] Class `DC4` has no attribute `__match_args__`