Update curveVertex unit test

Author: ksen0

test/unit/core/vertex.js

@@ -33,10 +33,10 @@ suite('Vertex', function() {
     });
   });
 
-  suite('p5.prototype.curveVertex', function() {
+  suite('p5.prototype.splineVertex', function() {
     test('should be a function', function() {
-      assert.ok(myp5.curveVertex);
-      assert.typeOf(myp5.curveVertex, 'function');
+      assert.ok(myp5.splineVertex);
+      assert.typeOf(myp5.splineVertex, 'function');
     });
   });