Update go dependencies (#2234)

vendor/k8s.io/client-go/transport/round_trippers_test.go

@@ -17,11 +17,7 @@ limitations under the License.
 package transport
 
 import (
-	"bytes"
-	"io/ioutil"
 	"net/http"
-	"net/url"
-	"os"
 	"reflect"
 	"strings"
 	"testing"
@@ -220,60 +216,3 @@ func TestAuthProxyRoundTripper(t *testing.T) {
 		}
 	}
 }
-
-func TestCacheRoundTripper(t *testing.T) {
-	rt := &testRoundTripper{}
-	cacheDir, err := ioutil.TempDir("", "cache-rt")
-	defer os.RemoveAll(cacheDir)
-	if err != nil {
-		t.Fatal(err)
-	}
-	cache := NewCacheRoundTripper(cacheDir, rt)
-
-	// First call, caches the response
-	req := &http.Request{
-		Method: http.MethodGet,
-		URL:    &url.URL{Host: "localhost"},
-	}
-	rt.Response = &http.Response{
-		Header:     http.Header{"ETag": []string{`"123456"`}},
-		Body:       ioutil.NopCloser(bytes.NewReader([]byte("Content"))),
-		StatusCode: http.StatusOK,
-	}
-	resp, err := cache.RoundTrip(req)
-	if err != nil {
-		t.Fatal(err)
-	}
-	content, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if string(content) != "Content" {
-		t.Errorf(`Expected Body to be "Content", got %q`, string(content))
-	}
-
-	// Second call, returns cached response
-	req = &http.Request{
-		Method: http.MethodGet,
-		URL:    &url.URL{Host: "localhost"},
-	}
-	rt.Response = &http.Response{
-		StatusCode: http.StatusNotModified,
-		Body:       ioutil.NopCloser(bytes.NewReader([]byte("Other Content"))),
-	}
-
-	resp, err = cache.RoundTrip(req)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	// Read body and make sure we have the initial content
-	content, err = ioutil.ReadAll(resp.Body)
-	resp.Body.Close()
-	if err != nil {
-		t.Fatal(err)
-	}
-	if string(content) != "Content" {
-		t.Errorf("Invalid content read from cache %q", string(content))
-	}
-}