CommandStreamChannel block the duplicate call

add GameCommandHandlerTest
Create a CommandStreamChannelBuilder to inject maxCacheTime
Add missing empty disabled test
fix EventStreamInMemory.readAll

src/test/kotlin/eventDemo/app/command/GameCommandHandlerTest.kt

@@ -0,0 +1,43 @@
+package eventDemo.app.command
+
+import eventDemo.app.command.command.GameCommand
+import eventDemo.app.command.command.IWantToJoinTheGameCommand
+import eventDemo.app.entity.GameId
+import eventDemo.app.entity.Player
+import eventDemo.app.eventListener.GameEventPlayerNotificationListener
+import eventDemo.app.eventListener.GameEventReactionListener
+import eventDemo.app.notification.Notification
+import eventDemo.app.notification.WelcomeToTheGameNotification
+import eventDemo.configuration.appKoinModule
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.collections.shouldContain
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.launch
+import org.koin.dsl.koinApplication
+import kotlin.test.assertIs
+
+class GameCommandHandlerTest :
+    FunSpec({
+        test("handle a command should execute the command") {
+            koinApplication { modules(appKoinModule) }.koin.apply {
+                val commandHandler by inject<GameCommandHandler>()
+                val notificationListener by inject<GameEventPlayerNotificationListener>()
+                val gameId = GameId()
+                val player = Player("Tesla")
+                val channelCommand = Channel<GameCommand>(Channel.BUFFERED)
+                val channelNotification = Channel<Notification>(Channel.BUFFERED)
+                GameEventReactionListener(get(), get(), get()).init()
+                notificationListener.startListening(channelNotification, player)
+
+                GlobalScope.launch {
+                    commandHandler.handle(player, channelCommand, channelNotification)
+                }
+
+                channelCommand.send(IWantToJoinTheGameCommand(IWantToJoinTheGameCommand.Payload(gameId, player)))
+                assertIs<WelcomeToTheGameNotification>(channelNotification.receive()).let {
+                    it.players shouldContain player
+                }
+            }
+        }
+    })