diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..b1971e51c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "test/manual"]
+	path = test/manual
+	url = https://github.com/FluidSynth/testdata.git
diff --git a/test/manual b/test/manual
new file mode 160000
index 000000000..db99d3009
--- /dev/null
+++ b/test/manual
@@ -0,0 +1 @@
+Subproject commit db99d300951718950544007e6540e39c031abe6b