[Parity] error: Unable to find module dependency: 'M3U8FalconCLI'

[kcieplak]

Is it reproducible with SwiftPM command-line tools: swift build, swift test, swift package etc?

• Confirmed reproduction steps with SwiftPM CLI. The description text must include reproduction steps with either of command-line SwiftPM commands, swift build, swift test, swift package etc.

Description

https://github.com/ftitreefly/m3u8-falcon.git

MacOS

The following package does not build using the 'swiftbuild' backend but does with 'native'

swift build `--buildsystem=swiftbuild` fails to build package

info: Compiling Clang module simd
info: Compiling Swift module _Testing_Foundation
info: Compiling Clang module ApplicationServices
warning: overriding deployment version from '16.0' to '26.0'
/private/var/lib/jenkins/workspace/swift_oss/swift-package-index-metrics/spi-workdir/FBA16B03-D60B-4CA1-ABA7-F927263BDD26/m3u8-falcon/Tests/M3U8FalconCLITests/YouTubeExtractorTests.swift:2:18: error: Unable to find module dependency: 'M3U8FalconCLI'
@testable import M3U8FalconCLI
                 ^
/private/var/lib/jenkins/workspace/swift_oss/swift-package-index-metrics/spi-workdir/FBA16B03-D60B-4CA1-ABA7-F927263BDD26/m3u8-falcon/Tests/M3U8FalconCLITests/YouTubeExtractorTests.swift:2:18: note: a dependency of main module 'M3U8FalconCLITests'
@testable import M3U8FalconCLI
                 ^
info: Compiling Clang module CoreVideo
Apple Swift version 6.2 (swiftlang-6.2.0.13.10 clang-1700.3.13.4)
Target: arm64-apple-macos14.0
warning: overriding deployment version from '16.0' to '26.0'
error: /private/var/lib/jenkins/workspace/swift_oss/swift-package-index-metrics/spi-workdir/FBA16B03-D60B-4CA1-ABA7-F927263BDD26/m3u8-falcon/Tests/M3U8FalconCLITests/YouTubeExtractorTests.swift:2:18 Unable to find module dependency: 'M3U8FalconCLI'
@testable import M3U8FalconCLI
                 ^
info: /private/var/lib/jenkins/workspace/swift_oss/swift-package-index-metrics/spi-workdir/FBA16B03-D60B-4CA1-ABA7-F927263BDD26/m3u8-falcon/Tests/M3U8FalconCLITests/YouTubeExtractorTests.swift:2:18 a dependency of main module 'M3U8FalconCLITests'
@testable import M3U8FalconCLI

Expected behaviour

Builds

Actual behavior

Fails to build

Steps to reproduce

git clone https://github.com/ftitreefly/m3u8-falcon.git
swift build --build-system=swiftbuild

Swift Package Manager version/commit hash

No response

Swift & OS version (output of swift --version ; uname -a)

No response