func extractKubernetesVersion(versionInfo *version.Info) (int, error) {
	ver, err := goversion.NewVersion(versionInfo.String())
	if err != nil {
		return 0, fmt.Errorf("could not parse %v", err)
	}
	// Segments provide slice of int eg: v1.19.1 => [1, 19, 1]
	num := ver.Segments()[1]
	return num, nil
}

// IsK8VersionSupported checks minimum supported Kubernetes version for Istio.

		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsghealingTracker(b *testing.B) {

		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgServerSystemConfig(b *testing.B) {

		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgBucketMetadata(b *testing.B) {

)

func checkHelpForFlag(t *testing.T, gotHelpText, flag string, wantExists bool) {
	t.Helper()

	if strings.Contains(gotHelpText, flag) != wantExists {
		if wantExists {
			t.Errorf("%q flag was expected but not found in help text", flag)
		} else {
			t.Errorf("%q flag was found in help text but not expected", flag)
		}
	}
}

func TestHideInheritedFlags(t *testing.T) {
	const (
		parentFlag0 = "parent-flag0"

               "legendFormat": "Internal Errors"
            },
            {
               "datasource": {
                  "type": "prometheus",
                  "uid": "$datasource"
               },
               "expr": "pilot_xds_push_context_errors",
               "legendFormat": "Push Context Errors"
            }
         ],
         "title": "Push Errors",
         "type": "timeseries"
      },

}

var (
	errInvalidRuleID                  = Errorf("ID length is limited to 255 characters")
	errEmptyRuleStatus                = Errorf("Status should not be empty")
	errInvalidRuleStatus              = Errorf("Status must be set to either Enabled or Disabled")
	errInvalidRuleDelMarkerExpiration = Errorf("Rule with DelMarkerExpiration cannot have tags based filtering")
)

				return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: body}, nil
			default:
				t.Errorf("%s: unexpected request: %s %#v\n%#v", p, req.Method, req.URL, req)
				return nil, fmt.Errorf("unexpected request")
			}
		}),
	}

	expected := true
	if locked != expected {
		t.Errorf("TestSimpleWriteLockAcquired(): \nexpected %#v\ngot      %#v", expected, locked)
	}
}

func TestSimpleWriteLockTimedOut(t *testing.T) {
	locked := testSimpleWriteLock(t, time.Second)

	expected := false
	if locked != expected {
		t.Errorf("TestSimpleWriteLockTimedOut(): \nexpected %#v\ngot      %#v", expected, locked)
	}
}

		input := NewInput(test.error)
		input.Push(NewTokenizer(test.error, strings.NewReader(test.input), nil))
		err := firstError(input)
		if err == nil {
			t.Errorf("%s: got no error", test.error)
			continue
		}
		if !strings.Contains(err.Error(), test.error) {
			t.Errorf("got error %q expected %q", err.Error(), test.error)
		}
	}
}

// firstError returns the first error value triggered by the input.