diff --git a/utilities/Timezone.test.ts b/utilities/Timezone.test.ts
index 30cd4eea91..ad4c384be8 100644
--- a/utilities/Timezone.test.ts
+++ b/utilities/Timezone.test.ts
@@ -1,17 +1,20 @@
 import * as Timezone from './Timezone'
 
-describe('init', () => {
-  test.skip('getTimezoneDropdowns', () => {
+describe('Test utilities/timezone', () => {
+  test('getTimezoneDropdowns for Western Indonesia', () => {
     const result = Timezone.getTimezoneDropdowns()
     const nonDaylightTimezone = result.find((obj) => {
-      return obj.alternativeName === 'Singapore Time'
+      return obj.alternativeName === 'Western Indonesia Time'
     })
 
     expect(result.length).not.toBeNull()
     expect(result.length).toBeGreaterThan(0)
-    expect(nonDaylightTimezone.currentTimeFormat).toEqual(
-      '+08:00 Singapore Time - Singapore, Woodlands, Geylang, Marine Parade',
-    ) // Make sure that the nonDaylightTimezone exists.
+    expect(nonDaylightTimezone.abbreviation).toEqual('WIB') // Make sure that the nonDaylightTimezone exists.
+
+    expect(nonDaylightTimezone.continentCode).toEqual('AS')
+    expect(nonDaylightTimezone.continentName).toEqual('Asia')
+    expect(nonDaylightTimezone.countryCode).toEqual('ID')
+    expect(nonDaylightTimezone.countryName).toEqual('Indonesia')
   })
 
   test('getUtfOffsetInMins for an existing timezone', () => {
diff --git a/utilities/duration.test.ts b/utilities/duration.test.ts
new file mode 100644
index 0000000000..bace59f696
--- /dev/null
+++ b/utilities/duration.test.ts
@@ -0,0 +1,25 @@
+import { formatDuration } from '~/utilities/duration'
+
+Date.now = jest.fn(() => 1656069280)
+// Date.setSeconds = jest.fn(() => 1656069280)
+let localDate: number
+
+describe('Test utilities/duration', () => {
+  beforeAll(() => {
+    localDate = Date.now()
+  })
+  test('call with latest date', () => {
+    // const argument = localDate.now() // Get unix timestamp
+
+    const result: any = formatDuration(localDate)
+    expect(result).toEqual('59:14:40')
+  })
+  test('call with 45 seconds date', () => {
+    const rawDate = new Date()
+    const argument = rawDate.setSeconds(45) // Returns unix timestamp
+
+    const result: any = formatDuration(argument)
+    expect(result).not.toEqual('59:14:40') // Because date is not what we defaulted above
+    expect(typeof result).toBe('string')
+  })
+})