From adb39980cff76423fc229570207e5d703deb4310 Mon Sep 17 00:00:00 2001
From: Justin Bay <justin.bay@outlook.com>
Date: Sat, 17 Dec 2016 18:28:41 -0500
Subject: [PATCH] fix unit tests

---
 .../src/reporters/__tests__/CoverageReporter-test.js  | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/jest-cli/src/reporters/__tests__/CoverageReporter-test.js b/packages/jest-cli/src/reporters/__tests__/CoverageReporter-test.js
index 9c6eaf68a473..2bcd9db1c393 100644
--- a/packages/jest-cli/src/reporters/__tests__/CoverageReporter-test.js
+++ b/packages/jest-cli/src/reporters/__tests__/CoverageReporter-test.js
@@ -12,9 +12,11 @@
 jest
   .mock('fs')
   .mock('istanbul-lib-coverage')
+  .mock('istanbul-lib-source-maps')
   .mock('istanbul-api');
 
 let libCoverage;
+let libSourceMaps;
 let CoverageReporter;
 let istanbulApi;
 
@@ -27,6 +29,7 @@ beforeEach(() => {
 
   CoverageReporter = require('../CoverageReporter');
   libCoverage = require('istanbul-lib-coverage');
+  libSourceMaps = require('istanbul-lib-source-maps');
 });
 
 describe('onRunComplete', () => {
@@ -66,6 +69,14 @@ describe('onRunComplete', () => {
       };
     });
 
+    libSourceMaps.createSourceMapStore = jest.fn(() => {
+      return {
+        transformCoverage(map) {
+          return {map};
+        },
+      };
+    });
+
     testReporter = new CoverageReporter();
     testReporter.log = jest.fn();
   });