message: test: wait for FileManager init
diff: @@ -4,6 +4,8 @@ import java.nio.file.Files
  import java.util.UUID
  import akka.actor.{ActorRef, Props}
  +import akka.pattern.ask
  +import akka.util.Timeout
  import org.enso.jsonrpc.{ClientControllerFactory, Protocol}
  import org.enso.jsonrpc.test.JsonRpcServerTestKit
  import org.enso.languageserver.{LanguageProtocol, LanguageServer}
  @@ -19,6 +21,7 @@ import org.enso.languageserver.filemanager.{FileManager, FileSystem}
  import org.enso.languageserver.protocol.{JsonRpc, ServerClientControllerFactory}
  import org.enso.languageserver.text.BufferRegistry
  +import scala.concurrent.Await
  import scala.concurrent.duration._
  class BaseServerTest extends JsonRpcServerTestKit {
  @@ -54,6 +57,7 @@ class BaseServerTest extends JsonRpcServerTestKit {
  }
  private def getFileManager(): ActorRef = {
  + implicit val timeout = Timeout(10.seconds)
  val zioExec = ZioExec(zio.Runtime.default)
  val fileManager =
  system.actorOf(FileManager.props(config, new FileSystem, zioExec))
  @@ -61,9 +65,10 @@ class BaseServerTest extends JsonRpcServerTestKit {
  // Windows. And it's always the first one that fails. I assume it happens
  // due to a cold Zio executor. Here we send a few messages to warm up the
  // FileManager.
  - fileManager ! FileManagerProtocol.ExistsFile(
  + val result = fileManager ? FileManagerProtocol.ExistsFile(
  Path(testContentRootId, Vector())
  )
  + Await.ready(result, Duration.Inf)
  fileManager
  }
  }
  