Swift

Updated unit tests #98

Job	Run time
macOS (release)	7m 56s
Linux (swift:6.0.3, debug)	2m 3s
macOS (release, SWIFT_BUILD_DYNAMIC_LIBRARY=1)	9m 12s
macOS (debug)	1m 47s
macOS (debug, SWIFT_BUILD_DYNAMIC_LIBRARY=1)	1m 40s
Linux (swift:6.1.2, debug, SWIFT_BUILD_DYNAMIC_LIBRARY=1)	2m 10s
Linux (swift:6.0.3, release)	13m 11s
Android (nightly-6.2, aarch64)	8m 59s
Linux (swift:6.1.2, debug)	2m 7s
Linux (swift:6.1.2, release)	12m 9s
Linux (swift:6.1.2, release, SWIFT_BUILD_DYNAMIC_LIBRARY=1)	13m 34s
Linux (swift:6.0.3, release, SWIFT_BUILD_DYNAMIC_LIBRARY=1)	12m 42s
Android (6.1, aarch64)	4m 30s
Linux (swift:6.0.3, debug, SWIFT_BUILD_DYNAMIC_LIBRARY=1)	1m 57s
Android (6.1, x86_64)	5m 10s
Android (nightly-6.2, x86_64)	3m 59s
	1h 43m 6s

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