feat(CI): Updates integration tests

Author: GoetzGoerisch

.github/workflows/integration.yml

@@ -5,15 +5,14 @@ on:
     branches:
       - main
   pull_request:
-    branches:
-      - main
+    branches: [main, umati]
 
 jobs:
   job:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
+        os: ['ubuntu-latest', 'windows-latest']
         node: ['14', '16']
     steps:
       - uses: actions/checkout@v2