WIP - Hack for testing

Author: stuartmorgan-g

.ci.yaml

@@ -81,8 +81,8 @@ targets:
     properties:
       add_recipes_cq: "true"
       version_file: flutter_stable.version
-      target_file: macos_build_all_plugins.yaml
-      channel: stable
+      target_file: ios_platform_tests.yaml
+      package_sharding: "--shardIndex 0 --shardCount 4"
 
   - name: Mac_arm64 macos_platform_tests master
     recipe: plugins/plugins
@@ -91,39 +91,42 @@ targets:
       channel: master
       add_recipes_cq: "true"
       version_file: flutter_master.version
-      target_file: macos_platform_tests.yaml
+      target_file: ios_platform_tests.yaml
+      package_sharding: "--shardIndex 0 --shardCount 4"
 
   - name: Mac_arm64 macos_platform_tests stable
     recipe: plugins/plugins
-    presubmit: false
     timeout: 60
     properties:
-      channel: stable
+      channel: master
       add_recipes_cq: "true"
-      version_file: flutter_stable.version
-      target_file: macos_platform_tests.yaml
+      version_file: flutter_master.version
+      target_file: ios_platform_tests.yaml
+      package_sharding: "--shardIndex 1 --shardCount 4"
 
   ### iOS tasks ###
   # TODO(stuartmorgan): Swap the architecture of this and ios_platform_tests_*
   # once simulator tests are reliable on the ARM infrastructure. See discussion
   # at https://github.com/flutter/plugins/pull/5693#issuecomment-1126011089
   - name: Mac_arm64 ios_build_all_plugins master
     recipe: plugins/plugins
-    timeout: 30
+    timeout: 60
     properties:
       channel: master
       add_recipes_cq: "true"
       version_file: flutter_master.version
-      target_file: ios_build_all_plugins.yaml
+      target_file: ios_platform_tests.yaml
+      package_sharding: "--shardIndex 2 --shardCount 4"
 
   - name: Mac_arm64 ios_build_all_plugins stable
     recipe: plugins/plugins
-    timeout: 30
+    timeout: 60
     properties:
-      channel: stable
+      channel: master
       add_recipes_cq: "true"
-      version_file: flutter_stable.version
-      target_file: ios_build_all_plugins.yaml
+      version_file: flutter_master.version
+      target_file: ios_platform_tests.yaml
+      package_sharding: "--shardIndex 3 --shardCount 4"
 
   # TODO(stuartmorgan): Swap the architecture of this and ios_build_all_plugins
   # once simulator tests are reliable on the ARM infrastructure. See discussion