Can't run TestFoundation target in swift-corelibs-foundation repository

Development Standard Library
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7

I'm seeing the same problem, where the test target will not build.

Running the 3-30-22 snapshot in Xcode 13.3 on an M1.

swift-project/swift-corelibs-foundation/CoreFoundation/Base.subproj/module.map:1:8: Redefinition of module 'CoreFoundation'

Could not build Objective-C module 'CoreGraphics'