diff --git a/core/src/test/scala/spark/BoundedMemoryCacheSuite.scala b/core/src/test/scala/spark/BoundedMemoryCacheSuite.scala
index dff2970566fbea3e397330c127806754b02a552e..e00e8c41238bc74ab2994e7a1412aa55ae67ad86 100644
--- a/core/src/test/scala/spark/BoundedMemoryCacheSuite.scala
+++ b/core/src/test/scala/spark/BoundedMemoryCacheSuite.scala
@@ -3,6 +3,7 @@ package spark
 import org.scalatest.FunSuite
 import org.scalatest.PrivateMethodTester
 
+// TODO: Replace this with a test of MemoryStore
 class BoundedMemoryCacheSuite extends FunSuite with PrivateMethodTester {
   test("constructor test") {
     val cache = new BoundedMemoryCache(60)