Disable 6 history UI tests.

ios/chrome/browser/ui/history/history_ui_egtest.mm

Index: ios/chrome/browser/ui/history/history_ui_egtest.mm
diff --git a/ios/chrome/browser/ui/history/history_ui_egtest.mm b/ios/chrome/browser/ui/history/history_ui_egtest.mm
index 4f49008b4b789481360ba259bf691ebf4a382a82..a1fa66123f8c89f9b51e2beefc0ea7ef897988a8 100644
--- a/ios/chrome/browser/ui/history/history_ui_egtest.mm
+++ b/ios/chrome/browser/ui/history/history_ui_egtest.mm
@@ -234,13 +234,15 @@ void MockSignIn() {
 #pragma mark Tests
 
 // Tests that no history is shown if there has been no navigation.
-- (void)testDisplayNoHistory {
+// TODO(crbug.com/704403): Re-enable this test.
+- (void)DISABLED_testDisplayNoHistory {
   [self openHistoryPanel];
   [self assertNoHistoryShown];
 }
 
 // Tests that the history panel displays navigation history.
-- (void)testDisplayHistory {
+// TODO(crbug.com/704403): Re-enable this test.
+- (void)DISABLED_testDisplayHistory {
   [self loadTestURLs];
   [self openHistoryPanel];
 
@@ -260,7 +262,8 @@ void MockSignIn() {
 }
 
 // Tests that history is not changed after performing back navigation.
-- (void)testHistoryUpdateAfterBackNavigation {
+// TODO(crbug.com/704403): Re-enable this test.
+- (void)DISABLED_testHistoryUpdateAfterBackNavigation {
   [ChromeEarlGrey loadURL:_URL1];
   [ChromeEarlGrey loadURL:_URL2];
 
@@ -280,7 +283,8 @@ void MockSignIn() {
 // Test that history displays a message about entries only if the user is logged
 // in, and that tapping on the link in the message opens a new tab with the sync
 // help page.
-- (void)testHistoryEntriesStatusCell {
+// TODO(crbug.com/704403): Re-enable this test.
+- (void)DISABLED_testHistoryEntriesStatusCell {
   [self loadTestURLs];
   [self openHistoryPanel];
   // Assert that no message is shown when the user is not signed in.
@@ -313,7 +317,8 @@ void MockSignIn() {
 }
 
 // Tests that searching history displays only entries matching the search term.
-- (void)testSearchHistory {
+// TODO(crbug.com/704403): Re-enable this test.
+- (void)DISABLED_testSearchHistory {
   [self loadTestURLs];
   [self openHistoryPanel];
   [[EarlGrey selectElementWithMatcher:SearchIconButton()]
@@ -332,7 +337,8 @@ void MockSignIn() {
 }
 
 // Tests deletion of history entries.
-- (void)testDeleteHistory {
+// TODO(crbug.com/704403): Re-enable this test.
+- (void)DISABLED_testDeleteHistory {
   [self loadTestURLs];
   [self openHistoryPanel];