edit pipeline file

env/test.jenkins

@@ -12,12 +12,12 @@ pipeline {
     stages {
         stage('get time & uptime'){
             steps {
-                echo "uptime" > /tmp/uptime
-                echo "date" >> /tmp/uptime
+               sh 'echo uptime > /tmp/uptime'
+               sh 'echo date >> /tmp/uptime'
 	    }
         stage('get pwd')
             steps {
-                echo pwd >> /tmp/uptime
+               sh 'echo pwd >> /tmp/uptime'
             }
         }
     }