Tests

Addressing https://github.com/AudioKit/Tonic/issues/21 #55

Job	Run time
Test / Create Swift Test Matrix	4s
Test / xcodebuild test (ios, swift 5.3)	1s
Test / xcodebuild test (ios, swift 5.4)	3m 57s
Test / xcodebuild test (ios, swift 5.5)	1s
Test / xcodebuild test (ios, swift 5.6)	1s
Test / swift test (macos, swift 5.3)	1s
Test / swift test (macos, swift 5.4)	1s
Test / swift test (macos, swift 5.5)	1s
Test / swift test (macos, swift 5.6)	1s
Test / xcodebuild test (tvos, swift 5.3)	1s
Test / xcodebuild test (tvos, swift 5.4)	1s
Test / xcodebuild test (tvos, swift 5.5)	1s
Test / xcodebuild test (tvos, swift 5.6)	1s
Test / xcodebuild test (watchos, swift 5.4)	1s
Test / xcodebuild test (watchos, swift 5.5)	1s
Test / xcodebuild test (watchos, swift 5.6)	1s
Test / swift test (linux, swift 5.3)	3m 24s
Test / swift test (linux, swift 5.4)	2m 48s
Test / swift test (linux, swift 5.5)	2m 0s
Test / swift test (linux, swift 5.6)	1m 54s
Build ${{ matrix.scheme }} (Xcode ${{ matrix.xcode_version }})	0s
Send Notification	0s
	14m 21s

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