Fix withArg usage in AutoSignInUseCaseTest

Author: mattcreaser

aws-auth-cognito/src/test/java/com/amplifyframework/auth/cognito/usecases/AutoSignInUseCaseTest.kt

@@ -28,6 +28,7 @@ import com.amplifyframework.statemachine.codegen.states.AuthorizationState
 import com.amplifyframework.statemachine.codegen.states.SignUpState
 import io.kotest.assertions.throwables.shouldThrow
 import io.kotest.matchers.shouldBe
+import io.kotest.matchers.types.shouldBeInstanceOf
 import io.mockk.every
 import io.mockk.justRun
 import io.mockk.mockk
@@ -95,7 +96,10 @@ class AutoSignInUseCaseTest {
 
         verify {
             stateMachine.send(
-                withArg { it is AuthenticationEvent && it.eventType is AuthenticationEvent.EventType.CancelSignIn }
+                withArg {
+                    it.shouldBeInstanceOf<AuthenticationEvent>()
+                    it.eventType.shouldBeInstanceOf<AuthenticationEvent.EventType.CancelSignIn>()
+                }
             )
         }
     }
@@ -112,7 +116,10 @@ class AutoSignInUseCaseTest {
 
         verify {
             stateMachine.send(
-                withArg { it is AuthenticationEvent && it.eventType is AuthenticationEvent.EventType.SignInRequested }
+                withArg {
+                    it.shouldBeInstanceOf<AuthenticationEvent>()
+                    it.eventType.shouldBeInstanceOf<AuthenticationEvent.EventType.SignInRequested>()
+                }
             )
         }
     }