import com.eviware.soapui.support.types.StringToStringMap
//Get cookie's value from the project level properties
String cookie = context.expand( '${#Project#cookie}' )
log.info "cookie : "+cookie
//Put cookie to StringMap
def cookieMap = new StringToStringMap()
cookieMap.put("Cookie",cookie)
//Just add other test steps here if they also need cookie
def testStepList = testRunner.testCase.getTestStepsOfType(com.eviware.soapui.impl.wsdl.teststeps.RestTestRequestStep.class)
log.info "Test step number : "+testStepList.size()
for (testStep in testStepList){
log.info "Pass cookie to test step : "+testStep.name
testStep.testRequest.setRequestHeaders(cookieMap)
}