diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..94904715
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "test-cases/shunit2"]
+	path = test-cases/shunit2-lib
+	url = https://github.com/kward/shunit2.git
diff --git a/test-cases/shunit2-lib b/test-cases/shunit2-lib
new file mode 160000
index 00000000..ebc4baa0
--- /dev/null
+++ b/test-cases/shunit2-lib
@@ -0,0 +1 @@
+Subproject commit ebc4baa08f045b7ef0f45c4b7d6f34f08d732f3d