Create a Jenkinsfile which can run for a long time (#23)

Author: LinuxSuRen

Diff for: Jenkinsfile_longrun.groovy

@@ -0,0 +1,36 @@
+pipeline {
+  agent any
+  
+  stages {
+    stage('one') {
+      steps {
+        script {
+          for (i = 0; i < 60; i++) {
+            sleep 1
+            echo "1"
+          }
+        }
+      }
+    }
+    stage('two') {
+      steps {
+        script {
+          for (i = 0; i < 60; i++) {
+            sleep 1
+            echo "1"
+          }
+        }
+      }
+    }
+    stage('three') {
+      steps {
+        script {
+          for (i = 0; i < 60; i++) {
+            sleep 1
+            echo "1"
+          }
+        }
+      }
+    }
+  }
+}