add tests to loom spindle

.tangled/workflows/tests.yml

@@ -4,13 +4,9 @@ when:
   - event: ["pull_request"]
     branch: ["main"]
 
-engine: "nixery"
-
-dependencies:
-  nixpkgs:
-    - gcc
-    - go
-    - curl
+engine: kubernetes
+image: golang:1.25-trixie
+architecture: arm64
 
 steps:
   - name: Download and Generate
@@ -24,4 +20,4 @@ steps:
     environment:
       CGO_ENABLED: 1
     command: |
-      go test -cover ./... 
+      go test -cover ./...