diff --git a/test/x25519_tests.rs b/tests/x25519_tests.rs
similarity index 96%
rename from test/x25519_tests.rs
rename to tests/x25519_tests.rs
index c7cc6e2..6194612 100644
--- a/test/x25519_tests.rs
+++ b/tests/x25519_tests.rs
@@ -1,6 +1,17 @@
 
+use curve25519_dalek::constants::ED25519_BASEPOINT_TABLE;
+use curve25519_dalek::scalar::Scalar;
+
 use x25519_dalek::*;
 
+fn clamp_scalar(mut scalar: [u8; 32]) -> Scalar {
+    scalar[0] &= 248;
+    scalar[31] &= 127;
+    scalar[31] |= 64;
+
+    Scalar::from_bits(scalar)
+}
+
 #[test]
 fn byte_basepoint_matches_edwards_scalar_mul() {
     let mut scalar_bytes = [0x37; 32];