diff --git a/core/src/tests.rs b/core/src/tests.rs
index 9e179f9f..14d67829 100644
--- a/core/src/tests.rs
+++ b/core/src/tests.rs
@@ -53,17 +53,19 @@ fn similar_contains() {
     };
   }
 
-  //assert!(is_contains!("hello", "hello"));
-  //assert!(is_contains!("hello?", "hello"));
-  //assert!(is_contains!("hhheeeeelllloo!!", "hello"));
-  //assert!(is_contains!("hh-he  e ee!e!ll/l/lo//o-?", "hello"));
-  //
-  //assert!(is_contains!("-!?hel$2-hello?", "hello"));
-  //assert!(is_contains!("-!?hel$2-hhheeeeelllloo!!", "hello"));
-  //assert!(is_contains!("-!?hel$2-hh-he  e ee!e!ll/l/lo//o-?", "hello"));
+  assert!(is_contains!("hello", "hello"));
+  assert!(is_contains!("hello?", "hello"));
+  assert!(is_contains!("hhheeeeelllloo!!", "hello"));
+  assert!(is_contains!("hh-he  e ee!e!ll/l/lo//o-?", "hello"));
 
+  assert!(is_contains!("-!?hel$2-hello?", "hello"));
+  assert!(is_contains!("-!?hel$2-hhheeeeelllloo!!", "hello"));
+  assert!(is_contains!("-!?hel$2-hh-he  e ee!e!ll/l/lo//o-?", "hello"));
+
+  assert!(!is_contains!("eel", "ell"));
+  assert!(!is_contains!("ell", "eel"));
   assert!(!is_contains!("-!?hel", "hell"));
-  //assert!(!is_contains!("ello?", "hello"));
+  assert!(!is_contains!("ello?", "hello"));
 }
 
 #[test]