Update build_and_test.yml

Author: ocean

.github/workflows/build_and_test.yml

@@ -1,10 +1,10 @@
-name: CI
+name: "Build and test"
 
 on:
   push:
-    branches: [ main ]
+    branches: [ "master" ]
   pull_request:
-    branches: [ main ]
+    branches: [ "master" ]
 
 jobs:
   build:
@@ -77,4 +77,4 @@ jobs:
       with:
         name: test-results
         path: /tmp/test-reports/
-        retention-days: 30
+        retention-days: 30