Add tests and clean code after RoomList Filter rework

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/roomlist/DynamicRoomList.kt

@@ -8,8 +8,6 @@
 
 package io.element.android.libraries.matrix.api.roomlist
 
-import timber.log.Timber
-
 /**
  * RoomList with dynamic filtering and loading.
  * This is useful for large lists of rooms.

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/roomlist/RoomList.kt

@@ -21,7 +21,6 @@ import kotlin.time.Duration
  * Can be retrieved from [RoomListService] methods.
  */
 interface RoomList {
-
     /**
      * The loading state of the room list.
      */