How to save all Test Case properties in a Map using Groovy Script

def tcProps = testRunner.testCase.getProperties()
def map = [:]

//grab all the properties from the test case and put them in a map as long as they aren't empty
for(p in tcProps){    
            if (p.value.getValue() != "") {
            map.put(p.key, p.value.getValue())            
    } 
}