fix: Address compilation issues in unit tests that were missed by CI #36

Job	Run time
WebAssembly SDK	50s
tests / Linux (nightly-main - jammy)	1m 6s
tests / Swift SDK for Wasm Build (nightly-6.2 - jammy)	1m 1s
tests / Swift SDK for Wasm Build (nightly-main - jammy)	1m 36s
tests / Linux (6.2 - jammy)	1m 0s
tests / Linux (6.1 - jammy)	50s
tests / Swift SDK for Wasm Build (6.2 - jammy)	1m 6s
tests / Linux (nightly-6.2 - jammy)	1m 0s
tests / Embedded Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
tests / macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})	0s
tests / Static Linux Swift SDK Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
tests / Windows (${{ matrix.swift_version }} - windows-2022)	0s
Soundness / Documentation check	48s
Soundness / Shell check	58s
Soundness / YAML lint check	3s
Soundness / Unacceptable language check	6s
Soundness / Broken symlinks check	3s
Soundness / Format check	48s
Soundness / Python lint check	9s
Soundness / API breakage check	0s
Soundness / License headers check	0s
	11m 24s

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