diff --git a/packages/kbn-test/src/functional_test_runner/lib/config/config.test.ts b/packages/kbn-test/src/functional_test_runner/lib/config/config.test.ts
new file mode 100644
index 0000000000000..2d764da785573
--- /dev/null
+++ b/packages/kbn-test/src/functional_test_runner/lib/config/config.test.ts
@@ -0,0 +1,26 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { Config } from './config';
+
+describe('Config', () => {
+  it('recognize keys under `object().pattern`', () => {
+    const config = new Config({
+      settings: {
+        services: {
+          foo: () => 42,
+        },
+      },
+      primary: true,
+      path: process.cwd(),
+    });
+
+    expect(config.has('services.foo')).toEqual(true);
+    expect(config.get('services.foo')()).toEqual(42);
+  });
+});
diff --git a/packages/kbn-test/src/functional_test_runner/lib/config/config.ts b/packages/kbn-test/src/functional_test_runner/lib/config/config.ts
index 9875fae8b0a86..1d4af9c33fb79 100644
--- a/packages/kbn-test/src/functional_test_runner/lib/config/config.ts
+++ b/packages/kbn-test/src/functional_test_runner/lib/config/config.ts
@@ -50,7 +50,7 @@ export class Config {
       values: Record<string, any>,
       childSchema: any
     ): boolean {
-      if (!childSchema.$_terms.keys) {
+      if (!childSchema.$_terms.keys && !childSchema.$_terms.patterns) {
         return false;
       }