Use single instance for the microphoneChecker #1001

Job	Run time
Build Test App and Frameworks	16m 24s
Automated Code Review	14m 16s
Launch Allure TestOps	29s
Test UIKit (Debug)	15m 57s
Test SwiftUI (Debug)	20m 7s
Build Demo Apps	15m 30s
Test E2E UI (Debug) (0)	35m 59s
Test LLC (Debug)	22m 12s
Test E2E UI (Debug) (1)	26m 18s
	2h 47m 12s

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