fix test

Author: baseballyama

packages/svelte/tests/parser-legacy/samples/if-block-elseif/output.json

@@ -82,7 +82,7 @@
 					"children": [
 						{
 							"type": "IfBlock",
-							"start": 42,
+							"start": 60,
 							"end": 89,
 							"expression": {
 								"type": "BinaryExpression",