func (r *recorder) GetOutput() string {
	return r.output
}
GetOutput will return the captured output
package recorder
import (
	"bytes"
	"fmt"
	"io"
	"os"
	"sync"
)
type recorder struct {
	output               string
	originalOutputStream *os.File
	readStream           *os.File
	writeStream          *os.File
	wg                   sync.WaitGroup  
}