test: cover RecursionError handler in NoDebug.run

[vyahello]

Adds a test that mocks DebugVisitor.visit to raise RecursionError, covering the previously untested exception handler in NoDebug.run (lines 54–55).

Coverage: 97% → 100%

[coveralls]

Pull Request Test Coverage Report for Build 23441081102

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+3.2%) to 100.0%

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Totals
Change from base Build 23440656952:	3.2%
Covered Lines:	62
Relevant Lines:	62

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 23441081102

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+3.2%) to 100.0%

---

Totals
Change from base Build 23440656952:	3.2%
Covered Lines:	62
Relevant Lines:	62

---

💛 - Coveralls