fix

book/node_modules/safe-json-parse/.testem.json

@@ -0,0 +1,14 @@
+{
+    "launchers": {
+        "node": {
+            "command": "node ./test"
+        }
+    },
+    "src_files": [
+        "./**/*.js"
+    ],
+    "before_tests": "npm run build-test",
+    "on_exit": "rm test/static/bundle.js",
+    "test_page": "test/static/index.html",
+    "launch_in_dev": ["node", "phantomjs"]
+}