diff --git a/cli.js b/cli.js
index bccbf7b..e3c2596 100755
--- a/cli.js
+++ b/cli.js
@@ -72,7 +72,8 @@ function setDefaults(cli, configFileFlags) {
   compositeFlags.runtimeCaching = compositeFlags.runtimeCaching ||
     configFileFlags.runtimeCaching;
 
-  compositeFlags.maximumFileSizeToCacheInBytes = compositeFlags.maximumFileSizeToCacheInBytes ||
+  compositeFlags.maximumFileSizeToCacheInBytes =
+    compositeFlags.maximumFileSizeToCacheInBytes ||
     configFileFlags.maximumFileSizeToCacheInBytes;
 
   return compositeFlags;
diff --git a/lib/sw-precache.js b/lib/sw-precache.js
index 9dd9aa1..85ea34c 100644
--- a/lib/sw-precache.js
+++ b/lib/sw-precache.js
@@ -152,7 +152,8 @@ function generate(params, callback) {
           // Strip the prefix to turn this into a relative URL.
           var relativeUrl = fileAndSizeAndHash.file
             .replace(
-              new RegExp('^(' + Object.keys(params.stripPrefixMulti).map(escapeRegExp).join('|') + ')'),
+              new RegExp('^(' + Object.keys(params.stripPrefixMulti)
+                  .map(escapeRegExp).join('|') + ')'),
               function(match) {
                 return params.stripPrefixMulti[match];
               })
diff --git a/test/test.js b/test/test.js
index 1344a96..af060c2 100644
--- a/test/test.js
+++ b/test/test.js
@@ -17,10 +17,13 @@
  // This is a test and we want descriptions to be useful, if this
  // breaks the max-length, it's ok.
 
- /* eslint-disable max-len */
+/* eslint-disable max-len */
 /* eslint-env node, mocha */
 'use strict';
 
+// Extra interfaces, like generateRuntimeCaching, are exposed while testing.
+process.env.NODE_ENV = 'swprecache-test';
+
 var assert = require('assert');
 var externalFunctions = require('../lib/functions.js');
 var fs = require('fs');