Decrease the number of tests in debug mode, to account for slower CI on Travis.

libraries/crypto/src/ec/point.rs

@@ -912,6 +912,8 @@ pub mod test {
         }
     }
 
+    // Due to the 3 nested loops, this test is super slow with debug assertions enabled.
+    #[cfg(not(debug_assertions))]
     #[test]
     fn test_add_is_associative() {
         for x in &get_test_values_projective() {

libraries/crypto/src/ecdh.rs

@@ -103,7 +103,7 @@ mod test {
     #[cfg(not(debug_assertions))]
     const ITERATIONS: u32 = 10000;
     #[cfg(debug_assertions)]
-    const ITERATIONS: u32 = 1000;
+    const ITERATIONS: u32 = 500;
 
     /** Test that key generation creates valid keys **/
     #[test]

libraries/crypto/src/ecdsa.rs

@@ -357,7 +357,7 @@ mod test {
     #[cfg(not(debug_assertions))]
     const ITERATIONS: u32 = 10000;
     #[cfg(debug_assertions)]
-    const ITERATIONS: u32 = 1000;
+    const ITERATIONS: u32 = 500;
 
     /** Test that key generation creates valid keys **/
     #[test]