Rename build job back as it was

Author: jonathanpallant

.github/workflows/build.yml

@@ -7,8 +7,8 @@ on:
   pull_request:
 
 jobs:
-  build:
-    name: Build
+  test:
+    name: Test
 
     strategy:
       fail-fast: false
@@ -57,8 +57,8 @@ jobs:
       env:
         RUSTFLAGS: "-D warnings"
 
-  test:
-    name: Test
+  unit-tests:
+    name: FVP/QEMU based unit tests
 
     runs-on: ubuntu-latest
     timeout-minutes: 15