update tests

test/dist/riscript.tests.js

@@ -774,10 +774,10 @@ describe(title, function() {
       res = riscript.evaluate("$[a | b].name", context);
       expect(res).to.be.oneOf(["Lucy", "Sam"]);
     });
-    it("Pass scripting as this", function() {
+    it("Pass context as this", function() {
       let checkThis = function(word) {
-        expect(this).eq(riscript);
-        return word + (this == riscript ? " success" : " failure");
+        expect(this).eq(riscript.visitor.context);
+        return word + (this === riscript.visitor.context ? " success" : " failure");
       };
       let res = riscript.evaluate("[hello].checkThis", { checkThis });
       expect(res).eq("hello success");
@@ -877,7 +877,7 @@ describe(title, function() {
       res = riscript.evaluate("The [dog | dog | dog].rhymes", 0, { silent: true });
       expect(res).eq("The dog.rhymes");
       let addRhyme2 = function(word) {
-        return word + " rhymes with bog" + this.RiTa.randi(1);
+        return word + " rhymes with bog" + riscript.RiTa.randi(1);
       };
       expect(riscript.transforms.rhymes2).is.undefined;
       riscript.addTransform("rhymes2", addRhyme2);