diff --git a/app/src/androidTest/java/com/h/pixeldroid/AppDatabaseTest.kt b/app/src/androidTest/java/com/h/pixeldroid/AppDatabaseTest.kt
index bd2fe965..0a66f2e9 100644
--- a/app/src/androidTest/java/com/h/pixeldroid/AppDatabaseTest.kt
+++ b/app/src/androidTest/java/com/h/pixeldroid/AppDatabaseTest.kt
@@ -54,6 +54,7 @@ class AppDatabaseTest {
     @Test
     fun testUtilsLRU() {
         for(i in 1..db!!.MAX_NUMBER_OF_POSTS) {
+            //sleep a bit to not have the weird concurrency bugs?
             Thread.sleep(10)
             DatabaseUtils.insertAllPosts(db!!, PostEntity(i, i.toString(), date= Calendar.getInstance().time))
         }