Move mocks up to date as a prerequisite step to unit_test job

.github/workflows/tests.yml

@@ -54,6 +54,10 @@ jobs:
         run: echo "TIMEOUT=1200s" >> "$GITHUB_ENV"
       - run: go mod download
         shell: bash
+      - name: Mocks are up to date
+        run: |
+          ./scripts/mock.gen.sh
+          git diff --exit-code
       - run: ./scripts/build.sh
         shell: bash
       - run: ./scripts/build_test.sh
@@ -179,18 +183,6 @@ jobs:
         if: always()
         with:
           name: load-tmpnet-data
-  mock_gen:
-    name: MockGen Check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
-        with:
-          go-version: ${{ env.min_go_version }}
-      - shell: bash
-        run: scripts/mock.gen.sh
-      - shell: bash
-        run: .github/workflows/check-clean-branch.sh
   test_build_image:
     name: Image build
     runs-on: ubuntu-latest