assert package in Go

Assert package provides a set of testing tools for use with the Go testing system. 
<pre><code>import (
  "testing"
  "github.com/stretchr/testify/assert"
)

func TestSomething(t *testing.T) {
  var a string = "Hello"
  var b string = "Hello"

  assert.Equal(t, a, b, "The two words should be the same.")
}
</code></pre>