import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

addon-sdk/source/test/addons/developers/main.js

@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+'use strict';
+
+const { id } = require('sdk/self');
+const { getAddonByID } = require('sdk/addon/manager');
+
+exports.testDevelopers = function*(assert) {
+  let addon = yield getAddonByID(id);
+  let count = 0;
+  addon.developers.forEach(({ name }) => {
+    assert.equal(name, ++count == 1 ? 'A' : 'B', 'The developers keys are correct');
+  });
+  assert.equal(count, 2, 'The key count is correct');
+  assert.equal(addon.developers.length, 2, 'The key length is correct');
+}
+
+require('sdk/test/runner').runTestsFromModule(module);

addon-sdk/source/test/addons/developers/package.json

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+{
+  "id": "test-developers@jetpack",
+  "title": "Test developers package key",
+  "author": "Erik Vold",
+  "developers": [ "A", "B" ],
+  "main": "./main.js",
+  "version": "0.0.1"
+}