Exclude some missing integration tests (flutter#3872)

ios_platform_images does not currently have an integration test, and file_chooser does not have a web integration test, so both must be explicitly excluded due to recent tooling changes.

See:
flutter/flutter#82208
flutter/flutter#82211

.cirrus.yml

@@ -168,7 +168,8 @@ task:
     - name: build-web+drive-examples
       env:
         # Currently missing; see https://github.com/flutter/flutter/issues/81982
-        PLUGINS_TO_EXCLUDE_INTEGRATION_TESTS: "image_picker_for_web,shared_preferences_web,video_player_web"
+        # and https://github.com/flutter/flutter/issues/82211
+        PLUGINS_TO_EXCLUDE_INTEGRATION_TESTS: "file_selector,image_picker_for_web,shared_preferences_web,video_player_web"
         matrix:
           CHANNEL: "master"
           CHANNEL: "stable"
@@ -206,8 +207,9 @@ task:
         PATH: $PATH:/usr/local/bin
         PLUGINS_TO_SKIP_XCTESTS: "integration_test"
         # in_app_purchase_ios is currently missing tests; see https://github.com/flutter/flutter/issues/81695
+        # ios_platform_images is currently missing tests; see https://github.com/flutter/flutter/issues/82208
         # sensor hangs on CI.
-        PLUGINS_TO_EXCLUDE_INTEGRATION_TESTS: "in_app_purchase_ios,sensors"
+        PLUGINS_TO_EXCLUDE_INTEGRATION_TESTS: "in_app_purchase_ios,ios_platform_images,sensors"
         matrix:
           PLUGIN_SHARDING: "--shardIndex 0 --shardCount 4"
           PLUGIN_SHARDING: "--shardIndex 1 --shardCount 4"