Improve command package isolation.

pkg/commands/build/testdata/testcase-crds/expected.yaml

@@ -0,0 +1,23 @@
+apiVersion: v1
+data:
+  PATH: YmJiYmJiYmIK
+kind: Secret
+metadata:
+  name: test-crdsecret
+---
+apiVersion: jingfang.example.com/v1beta1
+kind: MyKind
+metadata:
+  name: test-mykind
+spec:
+  beeRef:
+    name: test-bee
+  secretRef:
+    name: test-crdsecret
+---
+apiVersion: v1beta1
+kind: Bee
+metadata:
+  name: test-bee
+spec:
+  action: fly