RomanToDecimal : live test and example were removed, adding Jest test instead.

Conversions/test/RomanToDecimal.test.js

@@ -0,0 +1,15 @@
+import { romanToDecimal } from '../romanToDecimal'
+
+describe('romanToDecimal', () => {
+  it('XXIIVV', () => {
+    expect(romanToDecimal('XXIIVV')).toBe(28)
+  })
+
+  it('MDCCCIV', () => {
+    expect(romanToDecimal('MDCCCIV')).toBe(1804)
+  })
+
+  it('XXIVI', () => {
+    expect(romanToDecimal('XXIVI')).toBe(25)
+  })
+})