diff --git a/tests/specs/future/runtime_api/main.js b/tests/specs/future/runtime_api/main.js
index b44291218f..eac8ed194a 100644
--- a/tests/specs/future/runtime_api/main.js
+++ b/tests/specs/future/runtime_api/main.js
@@ -74,7 +74,6 @@ const tlsConn = await Deno.connectTls({ port: tlsPort });
 console.log("Deno.TlsConn.prototype.rid is", tlsConn.rid);
 
 tlsConn.close();
-tlsListener.close();
 
 const watcher = Deno.watchFs(".");
 console.log("Deno.FsWatcher.prototype.rid is", watcher.rid);
@@ -92,6 +91,28 @@ try {
   }
 }
 
+// Note: this could throw with a `Deno.errors.NotFound` error if `keyFile` and
+// `certFile` were used.
+const conn1 = await Deno.connectTls({
+  port: tlsPort,
+  certFile: "foo",
+  keyFile: "foo",
+});
+conn1.close();
+console.log("Deno.ConnectTlsOptions.(certFile|keyFile) do nothing");
+
+// Note: this could throw with a `Deno.errors.InvalidData` error if `certChain`
+// and `privateKey` were used.
+const conn2 = await Deno.connectTls({
+  port: tlsPort,
+  certChain: "foo",
+  privateKey: "foo",
+});
+conn2.close();
+console.log("Deno.ConnectTlsOptions.(certChain|privateKey) do nothing");
+
+tlsListener.close();
+
 // Note: this could throw with a `Deno.errors.NotFound` error if `keyFile` and
 // `certFile` were used.
 try {
diff --git a/tests/specs/future/runtime_api/main.out b/tests/specs/future/runtime_api/main.out
index 07b5884950..4712a06b06 100644
--- a/tests/specs/future/runtime_api/main.out
+++ b/tests/specs/future/runtime_api/main.out
@@ -34,5 +34,7 @@ Deno.TlsListener.prototype.rid is undefined
 Deno.TlsConn.prototype.rid is undefined
 Deno.FsWatcher.prototype.rid is undefined
 Deno.FsFile constructor is illegal
+Deno.ConnectTlsOptions.(certFile|keyFile) do nothing
+Deno.ConnectTlsOptions.(certChain|privateKey) do nothing
 Deno.ListenTlsOptions.(keyFile|certFile) do nothing
 Deno.customInspect is undefined