add test dependencies, separate test ci

.woodpecker/build.yaml

@@ -15,7 +15,6 @@ steps:
     commands:
       - go get
       - go build
-      - go test
 
   linter:
     when:
@@ -25,3 +24,13 @@ steps:
       - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.5.0
       - golangci-lint --version
       - golangci-lint run ./...
+    depends_on: [build]
+
+  test:
+    when:
+      event: [push]
+    image: golang:${goversion}
+    commands:
+      - go get
+      - go test -v -cover
+    depends_on: [build,linter]