diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..7063009c96fd1eaf88463243724f6d73bc951d20
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "TestFiles"]
+	path = TestFiles
+	url = https://mmpe@gitlab.windenergy.dtu.dk/toolbox/TestFiles.git
diff --git a/TestFiles b/TestFiles
new file mode 160000
index 0000000000000000000000000000000000000000..2935f60df7616606d4a7951b12d967d513b2b37b
--- /dev/null
+++ b/TestFiles
@@ -0,0 +1 @@
+Subproject commit 2935f60df7616606d4a7951b12d967d513b2b37b