diff --git a/tests/insert.rs b/tests/insert.rs
index 44864d4..d347876 100644
--- a/tests/insert.rs
+++ b/tests/insert.rs
@@ -257,6 +257,10 @@ fn prefix_suffix_conflict() {
         ("/x16/prefix{a}suffix", Ok(())),
         ("/x17/prefix{a}/z", Ok(())),
         ("/x18/prefix{a}/z", Ok(())),
+        ("/x19/prefix{a}suffix", Ok(())),
+        ("/x19/prefix{a}suffix/", Ok(())),
+        ("/x20/prefix{a}suffix/", Ok(())),
+        ("/x20/prefix{a}suffix", Ok(())),
     ])
     .run()
 }