update tests: electron 1.0 used chrome 49, not 50

test/index.spec.js

@@ -2,7 +2,7 @@
 
 const babelPresetEnv = require("../lib/index.js");
 const assert = require("assert");
-const electronToChromiumData = require("../data/electron-to-chromium");
+const { versions: electronToChromiumData } = require("electron-to-chromium");
 
 describe("babel-preset-env", () => {
   describe("getTargets", () => {
@@ -26,15 +26,15 @@ describe("babel-preset-env", () => {
       assert.deepEqual(babelPresetEnv.getTargets({
         electron: "1.0"
       }), {
-        chrome: 50
+        chrome: 49
       });
     });
 
     it("should work with a number", function() {
       assert.deepEqual(babelPresetEnv.getTargets({
         electron: 1.0
       }), {
-        chrome: 50
+        chrome: 49
       });
     });