Cleanup (#19)

* reformatting of skill checks table

* Including own Random "generator", more refactoring

__tests__/functions/CalculateQuality.js

@@ -0,0 +1,12 @@
+const {CalculateQuality} = require('@dsabot/CalculateQuality');
+
+const TestValues = [
+    [1,1], [2,1], [3,1],
+    [4,2], [5,2], [6,2],
+    [7,3], [8,3], [9,3],
+    [10,4],[11,4],[12,4],
+    [13,5],[14,5],[15,5]
+];
+test.each(TestValues)('Retrieving Quality for %s', (input, output) => {
+    expect(CalculateQuality(input)).toBe(output);
+  });

__tests__/functions/Roll.js

@@ -1,14 +1,8 @@
-const {
-  roll
-} = require('../../functions/Roll');
+const { roll } = require('@dsabot/Roll');
 
 describe('rolling dice', () => {
   const expected = [1, 2, 3, 4, 5, 6];
-  it('contain only numbers from 1 to 6', () => {
-    expect(roll(100, 6).dice).toEqual(
-      expect.arrayContaining(expected),
-    );
+  test.each(expected)('contains only numbers from 1 to 6', (value) => {
+    expect(roll(200, 6).dice).toContain(value);
   });
-});
-
-//todo: return sum
+});