From 67a67ae780b89075c7bc8456f9da4f80459ebcce Mon Sep 17 00:00:00 2001
From: Mariusz Nowak <mariusz@medikoo.com>
Date: Wed, 5 Jun 2019 09:47:59 +0200
Subject: [PATCH] Validate against invalid suite injection

---
 tests/utils/misc/index.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/utils/misc/index.js b/tests/utils/misc/index.js
index d4f63eb4d..9f944d997 100644
--- a/tests/utils/misc/index.js
+++ b/tests/utils/misc/index.js
@@ -106,6 +106,9 @@ function persistentRequest(...args) {
 const skippedWithNotice = [];
 
 function skipWithNotice(context, reason, afterCallback) {
+  if (!context || typeof context.skip !== 'function') {
+    throw new TypeError('Passed context is not a valid mocha suite');
+  }
   if (process.env.CI) return; // Do not tolerate skips in CI environment
   skippedWithNotice.push({ context, reason });
   process.stdout.write(chalk.yellow(`\n Skipped due to: ${chalk.red(reason)}\n\n`));