tests(api): Add spec for attempts to init twice

test/specs/api/init.js

@@ -0,0 +1,34 @@
+"use strict";
+
+var browserSync = require("../../../");
+
+var assert      = require("chai").assert;
+
+describe("API: .init - don't not call init when already running.", function () {
+
+    var instance;
+
+    before(function (done) {
+        browserSync.reset();
+        var config = {
+            logLevel: "silent",
+            open: false
+        };
+
+        instance = browserSync(config, function () {
+            done();
+        });
+    });
+
+    after(function () {
+        instance.cleanup();
+    });
+
+    it("should know the active State of BrowserSync", function () {
+        var spy = require("sinon").spy(console, "log");
+        browserSync({server: "test/fixtures"});
+        var arg = spy.getCall(0).args[0];
+        assert.include(arg, "browserSync.create().init()");
+        console.log.restore();
+    });
+});