Bug 1105806: Add guards for existence of TypedObject in tests; r=jonco over IRC

js/src/jit-test/tests/TypedObject/bug1103273-1.js

@@ -1,3 +1,5 @@
+if (!this.hasOwnProperty("TypedObject"))
+  quit();
 
 gczeal(2);
 var Vec3u16Type = TypedObject.uint16.array(3);

js/src/jit-test/tests/TypedObject/bug1103273-2.js

@@ -1,3 +1,5 @@
+if (!this.hasOwnProperty("TypedObject"))
+  quit();
 
 var Vec3u16Type = TypedObject.uint16.array(3);