Generate random values for a field_test field.
$cardinality: Number of values to generate.
An array of random values, in the format expected for field values.
function _generateTestFieldValues($cardinality) {
$values = array();
for ($i = 0; $i < $cardinality; $i++) {
// field_test fields treat 0 as 'empty value'.
$values[$i]['value'] = mt_rand(1, 127);
}
return $values;
}