[6.3.3] Add support for Swift Testing in SwiftSyntaxMacrosTestSupport#3352
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stmontgomery merged 1 commit intoJun 4, 2026
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hborla
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Jun 4, 2026
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assertMacroExpansionAPI to test macro implementation logic from Swift Testing tests. Until now, it has only been supported from within XCTests, and attempting to use it from Swift Testing could give a false positive since it never reported failures.SwiftSyntaxMacrosTestSupport, the module used to unit test macro implementations. There should be no change to the behavior of existing tests unless they're passing when they shouldn't be (such as if they're using this API from Swift Testing despite it being unsupported and there are legitimate failures).SwiftSyntaxMacrosTestSupport#2720