fixing test instruments

Author: g3co

.github/workflows/tests.yaml

@@ -16,6 +16,11 @@ jobs:
      - name: Check out code
        uses: actions/checkout@v6
 
+     - name: Set up Go
+       uses: actions/setup-go@v6
+       with:
+         go-version: '1.26.0'
+
      - name: unit tests
        run: make test