parseTestClassFile()
        }

        private extractTestCaseTo(String cssSelector, Collection<TestCase> target) {
            html.select(cssSelector).each {
                def testDisplayName = it.textNodes().first().wholeText.trim()
                def testName = hasMethodNameColumn() ? it.nextElementSibling().text() : testDisplayName
                def failureMessage = getFailureMessages(testName)

        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "pluginVersion": "10.1.5",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },

func (l *ListNode) Copy() Node {
	return l.CopyList()
}

// TextNode holds plain text.
type TextNode struct {
	NodeType
	Pos
	tr   *Tree
	Text []byte // The text; may span newlines.
}

func (t *Tree) newText(pos Pos, text string) *TextNode {
	return &TextNode{tr: t, NodeType: NodeText, Pos: pos, Text: []byte(text)}
}

func (t *TextNode) String() string {
	return fmt.Sprintf(textFormat, t.Text)
}

          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "showPercentChange": false,
        "text": {},
        "textMode": "auto",
        "wideLayout": true
      },
      "pluginVersion": "10.4.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",

	// executes a given template in different escaping contexts.
	actionNodeEdits   map[*parse.ActionNode][]string
	templateNodeEdits map[*parse.TemplateNode]string
	textNodeEdits     map[*parse.TextNode][]byte
	// rangeContext holds context about the current range loop.
	rangeContext *rangeContext
}

// rangeContext holds information about the current range loop.
type rangeContext struct {

rides":[]},"gridPos":{"h":3,"w":6,"x":0,"y":3},"id":20,"links":[],"maxDataPoints":100,"options":{"colorMode":"none","graphMode":"area","justifyMode":"auto","orientation":"horizontal","reduceOptions":{"calcs":["mean"],"fields":"","values":false},"textMode":"auto"},"pluginVersion":"10.1.5","targets":[{"datasource":{"type":"prometheus","uid":"${datasource}"},"expr":"round(sum(irate(istio_requests_total{reporter=\"source\"}[1m])), 0.001)","intervalFactor":1,"refId":"A","step":4}],"title":"Global Request...

        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "pluginVersion": "10.1.5",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },

        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "pluginVersion": "10.1.5",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },

          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "showPercentChange": false,
        "text": {},
        "textMode": "auto",
        "wideLayout": true
      },
      "pluginVersion": "10.4.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",

	case *IfNode:
	case *ListNode:
		for _, node := range n.Nodes {
			if !IsEmptyTree(node) {
				return false
			}
		}
		return true
	case *RangeNode:
	case *TemplateNode:
	case *TextNode:
		return len(bytes.TrimSpace(n.Text)) == 0
	case *WithNode:
	default:
		panic("unknown node: " + n.String())
	}
	return false
}

// parse is the top-level parser for a template, essentially the same