[ios] Disable failing FindInPage EG test

TBR=djean@chromium.org

Bug: 1188709
Change-Id: I2cc9a4e35ff3ec2d5dde895ac39f57c170326cc9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2764945
Reviewed-by: edchin <edchin@chromium.org>
Auto-Submit: edchin <edchin@chromium.org>
Commit-Queue: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#863443}

ios/chrome/browser/ui/find_bar/find_in_page_egtest.mm

@@ -130,7 +130,8 @@ - (void)testFindInPage {
 // Tests that Find In Page search term retention is working as expected, e.g.
 // the search term is persisted between FIP runs, but in incognito search term
 // is not retained and not autofilled.
-- (void)testFindInPageRetainsSearchTerm {
+// TODO(crbug.com/1188709) : Fix failing test.
+- (void)DISABLED_testFindInPageRetainsSearchTerm {
   // Type "find".
   [self typeFindInPageText:@"find"];
   [self assertResultStringIsResult:1 outOfTotal:2];