gate the stable_hash test to only run on little endinan machines (#49)

* gate the stable_hash test to only run on little endinan machines

* Update src/lib.rs

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Co-authored-by: Michael Diamond <dimo414@gmail.com>

src/lib.rs

@@ -870,6 +870,8 @@ mod cache_tests {
 
     // Sanity-checking that cache_key's behavior is stable over time. This test may need to be
     // updated when changing Rust versions / editions.
+    // Disabled on hardware that generates other hashes, see #39
+    #[cfg(target_endian = "little")]
     #[test]
     fn stable_hash() {
         assert_eq!(100.cache_key(), "7D208C81E8236995");