Chen Liang 902adf8b5b Add Swift tests for Messaging (#9135) %!s(int64=4) %!d(string=hai) anos
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FIRMessagingPubSubTest.swift 902adf8b5b Add Swift tests for Messaging (#9135) %!s(int64=4) %!d(string=hai) anos
FIRMessagingTokenRefreshTests.swift 902adf8b5b Add Swift tests for Messaging (#9135) %!s(int64=4) %!d(string=hai) anos