Please write a code coverage in angular for the below code.

getTypes(special: Recordstring, string[]): [] {

const specialTypes: [] = [];

if (special) {

const keys = Object.keys(special);

keys.forEach((key) => {

const specialItems: UlItem[] = [];

const subType = special[key];

subType.forEach((specialItem) => {

const item = {} as UlItem;

item.label = specialItem.description;

item.value = specialItem.code;

specialItems.push(item);

)

specialTypes[key] - specialItems;

}):

}

return specialTypes;

}