Temp: add back PR testing

Author: tcclevenger

.github/workflows/eamxx-kokkos-develop-testing.yml

@@ -1,6 +1,28 @@
 name: eamxx-sa-kokkos-develop
 
 on:
+  # Runs on PRs against master
+  pull_request:
+    branches: [ master ]
+    types: [opened, synchronize, ready_for_review, reopened]
+    paths:
+      # first, yes to these
+      - '.github/workflows/eamxx-sa-testing.yml'
+      - '.github/workflows/eamxx-kokkos-develop-testing.yml'
+      - '.github/actions/test-all-eamxx/**'
+      - 'cime_config/machine/config_machines.xml'
+      - 'components/eamxx/**'
+      - 'components/homme/**'
+      - 'components/eam/src/physics/rrtmgp/**'
+      - 'externals/ekat'
+      - 'externals/mam4xx'
+      - 'externals/haero'
+      - 'externals/scorpio'
+      # second, no to these
+      - '!components/eamxx/docs/**'
+      - '!components/eamxx/mkdocs.yml'
+      - '!components/eamxx/cime_config/**'
+
   # Manual run is used to bless
   workflow_dispatch:
     inputs: