Workflow/tests/data/ApprovalProcess_1.xml

<?xml version="1.0" encoding="UTF-8"?>
<workflow name="ApprovalProcess" version="1">
  <node id="1" type="Start">
    <outNode id="3"/>
  </node>
  <node id="2" type="End"/>
  <node id="3" type="VariableSet">
    <variable name="approved_by_a">
      <boolean>false</boolean>
    </variable>
    <variable name="approved_by_b">
      <boolean>false</boolean>
    </variable>
    <outNode id="4"/>
  </node>
  <node id="4" type="Loop">
    <condition type="Variable" name="approved_by_a">
      <condition type="IsFalse"/>
      <outNode id="5"/>
    </condition>
    <condition type="Variable" name="approved_by_b">
      <condition type="IsFalse"/>
      <outNode id="6"/>
    </condition>
    <condition type="And">
      <condition type="Variable" name="approved_by_a">
        <condition type="IsTrue"/>
      </condition>
      <condition type="Variable" name="approved_by_b">
        <condition type="IsTrue"/>
      </condition>
      <outNode id="2"/>
    </condition>
  </node>
  <node id="5" type="VariableSet">
    <variable name="approved_by_a">
      <boolean>true</boolean>
    </variable>
    <outNode id="4"/>
  </node>
  <node id="6" type="VariableSet">
    <variable name="approved_by_b">
      <boolean>true</boolean>
    </variable>
    <outNode id="4"/>
  </node>
</workflow>