Add example with eventually

Author: jsalinaspolo

logcapture-kotest/src/test/kotlin/org/logcapture/kotest/LogCaptureListenerSpec.kt

@@ -1,9 +1,11 @@
 package org.logcapture.kotest
 
+import io.kotest.assertions.timing.eventually
 import io.kotest.core.spec.style.StringSpec
 import org.logcapture.assertion.ExpectedLoggingMessage.aLog
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
+import kotlin.time.Duration.Companion.seconds
 
 class LogCaptureListenerSpec : StringSpec({
 
@@ -24,4 +26,20 @@ class LogCaptureListenerSpec : StringSpec({
 
     logCaptureListener.logged(aLog().info().withMessage("a message"), 2)
   }
+
+  "use eventually to verify logs" {
+    var i = 0
+    eventually(1.seconds) {
+      i += 1
+      logMessageWhenCondition(log, i == 5)
+      logCaptureListener.logged(aLog().info().withMessage("a message"))
+    }
+  }
 })
+
+fun logMessageWhenCondition(log: Logger, condition: Boolean) {
+  if (condition) {
+    log.info("a message")
+  }
+}
+