Change error message to look more like it did before

Author: martinj

index.js

@@ -135,7 +135,7 @@ function formatError(req, h) {
 }
 
 function getJoiErrorMessage(details) {
-	return `Validation error: ${details.message} (${details.path})`;
+	return `Validation error: ${details.message} (${details.path.join('.')})`;
 }
 
 /**

test/index.test.js

@@ -33,7 +33,7 @@ describe('JSON API Plugin', () => {
 			});
 
 			const res = await server.inject({method: 'POST', url: '/test', payload: {fo: {}}});
-			assert.equal(res.result.errors[0].details, 'Validation error: "bar" is required (fo,bar)');
+			assert.equal(res.result.errors[0].details, 'Validation error: "bar" is required (fo.bar)');
 		});
 	});