deps: upgrade npm to 6.9.0

Co-authored-by: Myles Borins <mylesborins@google.com>

PR-URL: https://github.com/nodejs/node/pull/26244
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/deps/npm/node_modules/normalize-package-data/node_modules/resolve/test/nonstring.js b/deps/npm/node_modules/normalize-package-data/node_modules/resolve/test/nonstring.js
new file mode 100644
index 0000000000..ef63c40f93
--- /dev/null
+++ b/deps/npm/node_modules/normalize-package-data/node_modules/resolve/test/nonstring.js
@@ -0,0 +1,9 @@
+var test = require('tape');
+var resolve = require('../');
+
+test('nonstring', function (t) {
+    t.plan(1);
+    resolve(555, function (err, res, pkg) {
+        t.ok(err);
+    });
+});