add tests for ignoring babelrc

Author: jamestalmage

test/fixture/babelrc/.babelrc

@@ -0,0 +1,3 @@
+{
+  "plugins": ["this-plugin-does-not-exist"]
+}

test/fixture/babelrc/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "application-name",
+  "version": "0.0.1"
+}

test/fixture/babelrc/test.js

@@ -0,0 +1,3 @@
+import test from '../../../'
+
+test(t => t.pass());

test/fork.js

@@ -81,3 +81,12 @@ test('destructuring of `t` is allowed', function (t) {
 			t.end();
 		});
 });
+
+test('babelrc is ignored', function (t) {
+	fork(fixture('babelrc/test.js'))
+	.run()
+	.then(function (info) {
+		t.is(info.stats.passCount, 1);
+		t.end();
+	});
+});