Add ErrorPageTestCase to external url test suite.

ios/chrome/browser/ui/BUILD.gn

Index: ios/chrome/browser/ui/BUILD.gn
diff --git a/ios/chrome/browser/ui/BUILD.gn b/ios/chrome/browser/ui/BUILD.gn
index 34024c6a2452d58409a20024749248ec14724f40..441c84425d8a3d8c6e8488ab8615bb2ff2fc482f 100644
--- a/ios/chrome/browser/ui/BUILD.gn
+++ b/ios/chrome/browser/ui/BUILD.gn
@@ -496,12 +496,30 @@ bundle_data("resources_unit_tests") {
   ]
 }
 
+# These tests use external URLs and hit network.  They will fail if the network
+# is unavailable. Reference to crbug.com/694662.
+source_set("external_url_eg_tests") {
+  configs += [ "//build/config/compiler:enable_arc" ]
+  testonly = true
+  sources = [
+    "external_url_error_page_egtest.mm",
+  ]
+  deps = [
+    "//components/strings",
+    "//ios/chrome/test/app:test_support",
+    "//ios/chrome/test/earl_grey:test_support",
+    "//ios/web:earl_grey_test_support",
+    "//ios/web:test_support",
+    "//ui/base",
+  ]
+  libs = [ "XCTest.framework" ]
+}
+
 source_set("eg_tests") {
   configs += [ "//build/config/compiler:enable_arc" ]
   testonly = true
   sources = [
     "browser_view_controller_egtest.mm",
-    "error_page_egtest.mm",
     "fullscreen_egtest.mm",
     "keyboard_commands_egtest.mm",
   ]