Fix malformed YAML front matter

test/language/class/definition/ClassMethod_restricted-properties.js

@@ -2,7 +2,7 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*--- 
- description: >
+description: >
     Functions created using MethodDefinition syntactic form do not
     have own properties "caller" or "arguments", but inherit them from
     %FunctionPrototype%.

test/language/object-literal/descriptor.js

@@ -2,7 +2,7 @@
 // This code is governed by the BSD license found in the LICENSE file.
 /*---
 es6id: 12.2.5
-desciption: >
+description: >
     object literal property shorthand desciptor defaults
 ---*/
 var x = 1;

test/language/rest-parameters/arrow-function.js

@@ -2,7 +2,8 @@
 // This code is governed by the BSD license found in the LICENSE file.
 /*---
 es6id: 14.1
-description: >arrow functions
+description: >
+    arrow functions
 includes: [compareArray.js]
 ---*/
 var fn = (a, b, ...c) => c;