PropertyExpansionsResult result = new PropertyExpansionsResult( this, testRequest );
result.extractAndAddAll( "requestContent" );
result.extractAndAddAll( "endpoint" );
result.extractAndAddAll( "username" );
result.extractAndAddAll( "password" );
result.extractAndAddAll( "domain" );
StringToStringsMap requestHeaders = testRequest.getRequestHeaders();
for( String key : requestHeaders.keySet() )