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/libs/event/EventStreamInMemoryTest.kt

@@ -0,0 +1,16 @@
+package eventDemo.libs.event
+
+import io.kotest.core.spec.style.FunSpec
+
+class EventStreamInMemoryTest :
+    FunSpec({
+
+        xtest("publish should be concurrently secure") { }
+
+        xtest("readLast should only return the event of aggregate") { }
+        xtest("readLast should return the last event of the aggregate") { }
+
+        xtest("readLastOf should return the last event of the aggregate of the type") { }
+
+        xtest("readAll should only return the event of aggregate") { }
+    })