Make most tests work.

package.json

@@ -26,6 +26,7 @@
     "lerna": "v2.0.0-beta.38",
     "micromatch": "^2.3.11",
     "mkdirp": "^0.5.1",
+    "promise": "^7.1.1",
     "sinon": "^1.17.7"
   },
   "scripts": {
@@ -42,7 +43,18 @@
     "watch": "yarn run build; node ./scripts/watch.js"
   },
   "jest": {
+    "automock": true,
     "testEnvironment": "node",
-    "timers": "fake"
+    "timers": "fake",
+    "setupFiles": [
+      "<rootDir>/scripts/setupJest.js"
+    ],
+    "unmockedModulePathPatterns": [
+      "promise",
+      "source-map",
+      "denodeify",
+      "fbjs",
+      "sinon"
+    ]
   }
 }

scripts/setupJest.js

@@ -0,0 +1,11 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+global.Promise = require('promise');

yarn.lock

@@ -133,6 +133,10 @@ arrify@^1.0.0, arrify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
 
+asap@~2.0.3:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.5.tgz#522765b50c3510490e52d7dcfe085ef9ba96958f"
+
 asn1@~0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
@@ -2608,6 +2612,12 @@ progress@^1.1.8:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
 
+promise@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/promise/-/promise-7.1.1.tgz#489654c692616b8aa55b0724fa809bb7db49c5bf"
+  dependencies:
+    asap "~2.0.3"
+
 prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"