Convert jclouds example to unit test

Change-Id: Ic24dc65c6bc2785bc81b6769e57b5391700dfb0f

jenkins_jobs/modules/wrappers.py

@@ -854,20 +854,11 @@ def jclouds(parser, xml_parent, data):
     :arg bool stop-on-terminate: Whether or not to suspend instead of terminate
                                  the instance (default: False).
 
-    Example::
+    Example:
+
+    .. literalinclude:: /../../tests/wrappers/fixtures/jclouds001.yaml
+       :language: yaml
 
-      wrappers:
-        - jclouds:
-            single-use: True
-            instances:
-              - jenkins-dev-slave:
-                  cloud-name: mycloud1
-                  count: 1
-                  stop-on-terminate: True
-              - jenkins-test-slave:
-                  cloud-name: mycloud2
-                  count: 2
-                  stop-on-terminate: False
     """
     buildWrapper = XML.SubElement(xml_parent,
                                   'jenkins.plugins.jclouds.compute.'

tests/wrappers/fixtures/jclouds001.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <buildWrappers>
+    <jenkins.plugins.jclouds.compute.JCloudsBuildWrapper>
+      <instancesToRun>
+        <jenkins.plugins.jclouds.compute.InstancesToRun>
+          <templateName>jenkins-dev-slave</templateName>
+          <cloudName>mycloud1</cloudName>
+          <count>1</count>
+          <suspendOrTerminate>true</suspendOrTerminate>
+        </jenkins.plugins.jclouds.compute.InstancesToRun>
+        <jenkins.plugins.jclouds.compute.InstancesToRun>
+          <templateName>jenkins-test-slave</templateName>
+          <cloudName>mycloud2</cloudName>
+          <count>2</count>
+          <suspendOrTerminate>false</suspendOrTerminate>
+        </jenkins.plugins.jclouds.compute.InstancesToRun>
+      </instancesToRun>
+    </jenkins.plugins.jclouds.compute.JCloudsBuildWrapper>
+    <jenkins.plugins.jclouds.compute.JCloudsOneOffSlave/>
+  </buildWrappers>
+</project>

tests/wrappers/fixtures/jclouds001.yaml

@@ -0,0 +1,12 @@
+ wrappers:
+    - jclouds:
+        single-use: True
+        instances:
+          - jenkins-dev-slave:
+              cloud-name: mycloud1
+              count: 1
+              stop-on-terminate: True
+          - jenkins-test-slave:
+              cloud-name: mycloud2
+              count: 2
+              stop-on-terminate: False