Break serviceaffinity Filter plugins dependency on predicates package

pkg/scheduler/algorithm/predicates/utils_test.go

@@ -15,56 +15,3 @@ limitations under the License.
 */
 
 package predicates
-
-import (
-	"fmt"
-
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/labels"
-)
-
-// ExampleUtils is a https://blog.golang.org/examples styled unit test.
-func ExampleFindLabelsInSet() {
-	labelSubset := labels.Set{}
-	labelSubset["label1"] = "value1"
-	labelSubset["label2"] = "value2"
-	// Lets make believe that these pods are on the cluster.
-	// Utility functions will inspect their labels, filter them, and so on.
-	nsPods := []*v1.Pod{
-		{
-			ObjectMeta: metav1.ObjectMeta{
-				Name:      "pod1",
-				Namespace: "ns1",
-				Labels: map[string]string{
-					"label1": "wontSeeThis",
-					"label2": "wontSeeThis",
-					"label3": "will_see_this",
-				},
-			},
-		}, // first pod which will be used via the utilities
-		{
-			ObjectMeta: metav1.ObjectMeta{
-				Name:      "pod2",
-				Namespace: "ns1",
-			},
-		},
-
-		{
-			ObjectMeta: metav1.ObjectMeta{
-				Name: "pod3ThatWeWontSee",
-			},
-		},
-	}
-	fmt.Println(FindLabelsInSet([]string{"label1", "label2", "label3"}, nsPods[0].ObjectMeta.Labels)["label3"])
-	AddUnsetLabelsToMap(labelSubset, []string{"label1", "label2", "label3"}, nsPods[0].ObjectMeta.Labels)
-	fmt.Println(labelSubset)
-
-	for _, pod := range FilterPodsByNamespace(nsPods, "ns1") {
-		fmt.Print(pod.Name, ",")
-	}
-	// Output:
-	// will_see_this
-	// label1=value1,label2=value2,label3=will_see_this
-	// pod1,pod2,
-}