diff --git a/src/test/java/net/kemitix/node/NodeFindInPathTestsCategory.java b/src/test/java/net/kemitix/node/NodeFindInPathTestsCategory.java
new file mode 100644
index 0000000..979190f
--- /dev/null
+++ b/src/test/java/net/kemitix/node/NodeFindInPathTestsCategory.java
@@ -0,0 +1,9 @@
+package net.kemitix.node;
+
+/**
+ * Category marker for tests relating to implementations of Node.findInPath(...).
+ *
+ * @author Paul Campbell
+ */
+public interface NodeFindInPathTestsCategory {
+}