diff --git a/SimpleLinkedList/src/test/SimpleListTest90.java b/SimpleLinkedList/src/test/SimpleListTest90.java
new file mode 100644
index 0000000..1d9072e
--- /dev/null
+++ b/SimpleLinkedList/src/test/SimpleListTest90.java
@@ -0,0 +1,18 @@
+package test;
+
+import solution.ISimpleList;
+import solution.Node;
+
+public class SimpleListTest90 {
+
+	protected ISimpleList<Integer> getInstance1() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	protected ISimpleList<Node<Integer>> getInstance2() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}