remove API dependency on printers

pkg/api/testing/compat/BUILD

@@ -11,7 +11,6 @@ go_library(
     importpath = "k8s.io/kubernetes/pkg/api/testing/compat",
     deps = [
         "//pkg/api/legacyscheme:go_default_library",
-        "//pkg/printers:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",

pkg/api/testing/compat/compatibility_tester.go

@@ -19,7 +19,6 @@ package compat
 import (
 	"encoding/json"
 	"fmt"
-	"os"
 	"reflect"
 	"regexp"
 	"strconv"
@@ -30,7 +29,6 @@ import (
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/validation/field"
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
-	"k8s.io/kubernetes/pkg/printers"
 )
 
 // Based on: https://github.com/openshift/origin/blob/master/pkg/api/compatibility_test.go
@@ -72,14 +70,11 @@ func TestCompatibility(
 		t.Fatalf("Unexpected error: %v", err)
 	}
 
-	hasError := false
 	for k, expectedValue := range expectedKeys {
 		keys := strings.Split(k, ".")
 		if actualValue, ok, err := getJSONValue(generic, keys...); err != nil || !ok {
 			t.Errorf("Unexpected error for %s: %v", k, err)
-			hasError = true
 		} else if !reflect.DeepEqual(expectedValue, fmt.Sprintf("%v", actualValue)) {
-			hasError = true
 			t.Errorf("Unexpected value for %v: expected %v, got %v", k, expectedValue, actualValue)
 		}
 	}
@@ -89,14 +84,17 @@ func TestCompatibility(
 		actualValue, ok, err := getJSONValue(generic, keys...)
 		if err == nil || ok {
 			t.Errorf("Unexpected value found for key %s: %v", absentKey, actualValue)
-			hasError = true
 		}
 	}
 
-	if hasError {
-		printer := &printers.JSONPrinter{}
-		printer.PrintObj(obj, os.Stdout)
-		t.Logf("2: Encoded value: %#v", string(output))
+	if t.Failed() {
+		data, err := json.MarshalIndent(obj, "", "    ")
+		if err != nil {
+			t.Log(err)
+		} else {
+			t.Log(string(data))
+		}
+		t.Logf("2: Encoded value: %v", string(output))
 	}
 }