feature(crypto): verification violation handling and block sending

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/encryption/FakeEncryptionService.kt

@@ -24,6 +24,7 @@ class FakeEncryptionService(
     var startIdentityResetLambda: () -> Result<IdentityResetHandle?> = { lambdaError() },
     private val pinUserIdentityResult: (UserId) -> Result<Unit> = { lambdaError() },
     private val isUserVerifiedResult: (UserId) -> Result<Boolean> = { lambdaError() },
+    private val withdrawVerificationResult: (UserId) -> Result<Unit> = { lambdaError() },
 ) : EncryptionService {
     private var disableRecoveryFailure: Exception? = null
     override val backupStateStateFlow: MutableStateFlow<BackupState> = MutableStateFlow(BackupState.UNKNOWN)
@@ -124,6 +125,10 @@ class FakeEncryptionService(
         return pinUserIdentityResult(userId)
     }
 
+    override suspend fun withdrawVerificationRequirement(userId: UserId): Result<Unit> {
+        return withdrawVerificationResult(userId)
+    }
+
     override suspend fun isUserVerified(userId: UserId): Result<Boolean> = simulateLongTask {
         isUserVerifiedResult(userId)
     }