function testForConditionalAncestor(node) {
			const ancestor = findConditionalAncestor(node);

			if (ancestor) {
				context.report({
					node,
					messageId: "unexpected",
					data: {
						type: NODE_DESCRIPTIONS[ancestor.type] || ancestor.type,
					},
				});
			}
		}
Check whether an assignment expression is descended from a conditional statement's test expression.
@param {!Object} node The node for the assignment expression.
@returns {void}