added go spec

Author: VibhorCodecianGupta

test/run.go.spec.ts

@@ -0,0 +1,26 @@
+import {execRun} from '../src/tasks/run'
+import {expect} from 'chai'
+
+describe('run - golang', () => {
+  it('.go file runs correctly', () => {
+    execRun({
+      id: 28,
+      lang: 'golang',
+      source: (new Buffer(`
+        package main;
+
+        import "fmt";
+
+        func main() {
+          var text string
+          fmt.Scanf("%s", &text)
+          fmt.Println("Hello " + text)
+        }
+
+      `)).toString('base64'),
+      stdin: (new Buffer('World')).toString('base64')
+    }, (runResult) => {
+      expect(new Buffer(runResult.stdout, 'base64').toString('ascii')).to.eq('Hello World')
+    })
+  })
+})