feat(1765): update tests, move unit test to proper file, improve removeEmptyInterfaces algo

Signed-off-by: Martin Jirku <martin@jirku.sk>

script/test/fixtures/deploy/placement/output-placement-k8s.yaml

@@ -2,7 +2,6 @@
 apiVersion: v1
 kind: Service
 metadata:
-  creationTimestamp: null
   labels:
     io.kompose.service: redis
   name: redis
@@ -14,12 +13,10 @@ spec:
   selector:
     io.kompose.service: redis
 
-
 ---
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  creationTimestamp: null
   labels:
     io.kompose.service: redis
   name: redis
@@ -28,10 +25,8 @@ spec:
   selector:
     matchLabels:
       io.kompose.service: redis
-  strategy: {}
   template:
     metadata:
-      creationTimestamp: null
       labels:
         io.kompose.network/placement-default: "true"
         io.kompose.service: redis
@@ -59,7 +54,6 @@ spec:
           ports:
             - containerPort: 6379
               protocol: TCP
-          resources: {}
       restartPolicy: Always
       topologySpreadConstraints:
         - labelSelector:

script/test/fixtures/deploy/placement/output-placement-os.yaml

@@ -2,7 +2,6 @@
 apiVersion: v1
 kind: Service
 metadata:
-  creationTimestamp: null
   labels:
     io.kompose.service: redis
   name: redis
@@ -14,12 +13,10 @@ spec:
   selector:
     io.kompose.service: redis
 
-
 ---
 apiVersion: apps.openshift.io/v1
 kind: DeploymentConfig
 metadata:
-  creationTimestamp: null
   labels:
     io.kompose.service: redis
   name: redis
@@ -27,11 +24,8 @@ spec:
   replicas: 1
   selector:
     io.kompose.service: redis
-  strategy:
-    resources: {}
   template:
     metadata:
-      creationTimestamp: null
       labels:
         io.kompose.network/placement-default: "true"
         io.kompose.service: redis
@@ -59,7 +53,6 @@ spec:
           ports:
             - containerPort: 6379
               protocol: TCP
-          resources: {}
       restartPolicy: Always
       topologySpreadConstraints:
         - labelSelector:
@@ -86,12 +79,10 @@ spec:
           name: redis:latest
       type: ImageChange
 
-
 ---
 apiVersion: image.openshift.io/v1
 kind: ImageStream
 metadata:
-  creationTimestamp: null
   labels:
     io.kompose.service: redis
   name: redis
@@ -99,14 +90,10 @@ spec:
   lookupPolicy:
     local: false
   tags:
-    - annotations: null
-      from:
+    - from:
         kind: DockerImage
         name: redis
-      generation: null
-      importPolicy: {}
       name: latest
       referencePolicy:
         type: ""
 
-