function isConditionalTestExpression(node) {
			return (
				node.parent &&
				TEST_CONDITION_PARENT_TYPES.has(node.parent.type) &&
				node === node.parent.test
			);
		}
Check whether an AST node is the test expression for a conditional statement.
@param {!Object} node The node to test.
@returns {boolean} `true` if the node is the text expression for a conditional statement; otherwise, `false`.