BridgeJS: Fix macro test suites silently ignoring failures #2050

Job	Run time
build-examples	7m 6s
Build for native target (macos-15, Xcode_16.4)	3m 30s
check-bridgejs-generated	2m 56s
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	3m 1s
format	36s
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	2m 59s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	7m 12s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	7m 7s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	7m 7s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	7m 8s
deploy-examples	1s
	48m 43s

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