diff --git a/Conversions/test/RGBToHex.test.js b/Conversions/test/RGBToHex.test.js
new file mode 100644
index 0000000000..0438639988
--- /dev/null
+++ b/Conversions/test/RGBToHex.test.js
@@ -0,0 +1,21 @@
+import { RGBToHex } from '../RGBToHex'
+
+test('The Hex format of RGB (225, 225, 225) is #ffffff', () => {
+  const res = RGBToHex(255, 255, 255)
+  expect(res).toBe('#ffffff')
+})
+
+test('The Hex format of RGB (190, 108, 217) is #be6cd9', () => {
+  const res = RGBToHex(190, 108, 217)
+  expect(res).toBe('#be6cd9')
+})
+
+test('The Hex format of RGB (255, 99, 71) is #ff6347', () => {
+  const res = RGBToHex(255, 99, 71)
+  expect(res).toBe('#ff6347')
+})
+
+test('The Hex format of RGB (100, 108, 217) is #646cd9', () => {
+  const res = RGBToHex(100, 108, 217)
+  expect(res).toBe('#646cd9')
+})
diff --git a/Conversions/test/RailwayTimeConversion.test.js b/Conversions/test/RailwayTimeConversion.test.js
new file mode 100644
index 0000000000..0e49af3b7f
--- /dev/null
+++ b/Conversions/test/RailwayTimeConversion.test.js
@@ -0,0 +1,21 @@
+import { RailwayTimeConversion } from '../RailwayTimeConversion'
+
+test('The RailwayTimeConversion of 07:05:45AM is 07:05:45', () => {
+  const res = RailwayTimeConversion('07:05:45AM')
+  expect(res).toEqual('07:05:45')
+})
+
+test('The RailwayTimeConversion of 07:05:45PM is 19:05:45', () => {
+  const res = RailwayTimeConversion('07:05:45PM')
+  expect(res).toEqual('19:05:45')
+})
+
+test('The RailwayTimeConversion of 10:20:00AM is 10:20:00', () => {
+  const res = RailwayTimeConversion('10:20:00AM')
+  expect(res).toEqual('10:20:00')
+})
+
+test('The RailwayTimeConversion of 11:20:00PM is 23:20:00', () => {
+  const res = RailwayTimeConversion('11:20:00PM')
+  expect(res).toEqual('23:20:00')
+})