(fix) !spells and !chants returned null value (#40)

__tests__/commands/List.js

@@ -1,13 +1,22 @@
 require('module-alias/register');
-// const { List } = require('@Commands/List');
+const List = require('@Commands/List');
+
 const rewire = require('rewire');
 
 const reWireUtils = rewire('@Commands/List');
 // const getStats = reWireUtils.__get__('getStats');
 const getAttribute = reWireUtils.__get__('getAttribute');
-
+const printHeader = reWireUtils.__get__('printHeader');
+const listStats = reWireUtils.__get__('listStats');
 it('should return an attribute object', () => {
     expect(getAttribute({ id: 'mut', level: 9 })).toEqual(
+        expect.objectContaining({
+            id: 'mut',
+            Name: 'Mut',
+            Level: 9,
+        })
+    );
+    expect(getAttribute()).toEqual(
         expect.objectContaining({
             id: expect.any(String),
             Name: expect.any(String),
@@ -15,3 +24,16 @@ it('should return an attribute object', () => {
         })
     );
 });
+it('should return null', () => {
+    expect(printHeader()).toBeNull();
+});
+it('should return a string', () => {
+    const attributes = [{ Short: 'AA' }, { Short: 'BB' }, { Short: 'CC' }];
+    expect(printHeader(attributes)).toMatch(/\s+AA\s+[|]\s+BB\s+[|]\s+CC\s+/g);
+});
+
+it('should return a string', () => {
+    expect(listStats([{ Level: 8 }, { Level: 9 }, { Level: 10 }])).toMatch(
+        /\s+8\s+[|]\s+9\s+[|]\s+10\s+/
+    );
+});