Fixes flakey CI

ts/test-node/components/media-gallery/groupMessagesByDate_test.ts

@@ -20,7 +20,7 @@ const toMediaItem = (date: Date): MediaItemType => ({
     received_at: date.getTime(),
     received_at_ms: date.getTime(),
     attachments: [],
-    sent_at: Date.now(),
+    sent_at: date.getTime(),
   },
   attachment: {
     fileName: 'fileName',
@@ -63,7 +63,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1523534400000,
               received_at_ms: 1523534400000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1523534400000,
             },
             attachment: {
               fileName: 'fileName',
@@ -80,7 +80,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1523491260000,
               received_at_ms: 1523491260000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1523491260000,
             },
             attachment: {
               fileName: 'fileName',
@@ -102,7 +102,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1523491140000,
               received_at_ms: 1523491140000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1523491140000,
             },
             attachment: {
               fileName: 'fileName',
@@ -124,7 +124,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1523232060000,
               received_at_ms: 1523232060000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1523232060000,
             },
             attachment: {
               fileName: 'fileName',
@@ -146,7 +146,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1523231940000,
               received_at_ms: 1523231940000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1523231940000,
             },
             attachment: {
               fileName: 'fileName',
@@ -163,7 +163,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1522540860000,
               received_at_ms: 1522540860000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1522540860000,
             },
             attachment: {
               fileName: 'fileName',
@@ -187,7 +187,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1522540740000,
               received_at_ms: 1522540740000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1522540740000,
             },
             attachment: {
               fileName: 'fileName',
@@ -204,7 +204,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1519912800000,
               received_at_ms: 1519912800000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1519912800000,
             },
             attachment: {
               fileName: 'fileName',
@@ -228,7 +228,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1298937540000,
               received_at_ms: 1298937540000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1298937540000,
             },
             attachment: {
               fileName: 'fileName',
@@ -245,7 +245,7 @@ describe('groupMediaItemsByDate', () => {
               received_at: 1296554400000,
               received_at_ms: 1296554400000,
               attachments: [],
-              sent_at: Date.now(),
+              sent_at: 1296554400000,
             },
             attachment: {
               fileName: 'fileName',