diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..862af46
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/tests_shared"]
+	path = src/tests_shared
+	url = git@github.com:tobast/mpri18-funcprog-tests.git
diff --git a/src/tests/if_fib.exp b/src/tests/if_fib.exp
new file mode 120000
index 0000000..9132c0e
--- /dev/null
+++ b/src/tests/if_fib.exp
@@ -0,0 +1 @@
+../tests_shared/if_fib.exp
\ No newline at end of file
diff --git a/src/tests/if_fib.lambda b/src/tests/if_fib.lambda
new file mode 120000
index 0000000..900ee14
--- /dev/null
+++ b/src/tests/if_fib.lambda
@@ -0,0 +1 @@
+../tests_shared/if_fib.lambda
\ No newline at end of file
diff --git a/src/tests/if_nested.exp b/src/tests/if_nested.exp
new file mode 120000
index 0000000..0a6c5c1
--- /dev/null
+++ b/src/tests/if_nested.exp
@@ -0,0 +1 @@
+../tests_shared/if_nested.exp
\ No newline at end of file
diff --git a/src/tests/if_nested.lambda b/src/tests/if_nested.lambda
new file mode 120000
index 0000000..ae63410
--- /dev/null
+++ b/src/tests/if_nested.lambda
@@ -0,0 +1 @@
+../tests_shared/if_nested.lambda
\ No newline at end of file
diff --git a/src/tests/ren.exp b/src/tests/ren.exp
new file mode 120000
index 0000000..4d869b5
--- /dev/null
+++ b/src/tests/ren.exp
@@ -0,0 +1 @@
+../tests_shared/ren.exp
\ No newline at end of file
diff --git a/src/tests/ren.lambda b/src/tests/ren.lambda
new file mode 120000
index 0000000..d7f1801
--- /dev/null
+++ b/src/tests/ren.lambda
@@ -0,0 +1 @@
+../tests_shared/ren.lambda
\ No newline at end of file
diff --git a/src/tests_shared b/src/tests_shared
new file mode 160000
index 0000000..2f1fd4e
--- /dev/null
+++ b/src/tests_shared
@@ -0,0 +1 @@
+Subproject commit 2f1fd4e22a54da905612cdfcedff41bf148f18c8