Add tests to Math (#423)

* Add prettier config

* test: add test to check for absolute function

* chore: es5 to es6

* test: add test to check mean function

* test: add test for sum of digit

* test: add test for factorial

* test: add test for fibonnaci

* test: add test for find HCF

* test: add test for lcm

* test: add gridget test

* test: add test for mean square error

* test: add test for modular binary exponentiation

* test: add tests for palindrome

* test: add test for pascals triangle

* test: add tests for polynomial

* test: add tests for prime check

* test: add tests for reverse polish notation

* test: add tests for sieve of eratosthenes

* test: add tests for pi estimation monte carlo method

* chore: move tests to test folder

* chore: fix standardjs errors

Maths/test/FindLcm.test.js

@@ -0,0 +1,20 @@
+import { findLcm } from '../FindLcm'
+
+describe('findLcm', () => {
+  it('should throw a statement for values less than 1', () => {
+    expect(findLcm(0, 0)).toBe('Please enter values greater than zero.')
+  })
+
+  it('should throw a statement for one value less than 1', () => {
+    expect(findLcm(1, 0)).toBe('Please enter values greater than zero.')
+    expect(findLcm(0, 1)).toBe('Please enter values greater than zero.')
+  })
+
+  it('should return an error for values non-integer values', () => {
+    expect(findLcm(4.564, 7.39)).toBe('Please enter whole numbers.')
+  })
+
+  it('should return the LCM of two given integers', () => {
+    expect(findLcm(27, 36)).toBe(108)
+  })
+})