Adjust for sync

test/implementation-tests.js

@@ -809,30 +809,27 @@ describe("Tests that are specific to a Javascript runtime", () => {
     describe("Expressions that attempt to pollute the object prototype", function() {
         it("should throw an error with __proto__", async function() {
             const expr = jsonata('{} ~> | __proto__ | {"is_admin": true} |');
-            expect(
-                expr.evaluate()
-            ).to.eventually.be.rejected.to.deep.contain({
-                position: 7,
-                code: "D1010",
-            });
+            expect(function() {
+                expr.evaluate();
+            })
+                .to.throw()
+                .to.deep.contain({ position: 7, code: "D1010" });
         });
         it("should throw an error with __lookupGetter__", async function() {
             const expr = jsonata('{} ~> | __lookupGetter__("__proto__")() | {"is_admin": true} |');
-            expect(
-                expr.evaluate()
-            ).to.eventually.be.rejected.to.deep.contain({
-                position: 7,
-                code: "D1010",
-            });
+            expect(function() {
+                expr.evaluate();
+            })
+                .to.throw()
+                .to.deep.contain({ position: 7, code: "D1010" });
         });
         it("should throw an error with constructor", async function() {
             const expr = jsonata('{} ~> | constructor | {"is_admin": true} |');
-            expect(
-                expr.evaluate()
-            ).to.eventually.be.rejected.to.deep.contain({
-                position: 7,
-                code: "D1010",
-            });
+            expect(function() {
+                expr.evaluate();
+            })
+                .to.throw()
+                .to.deep.contain({ position: 7, code: "D1010" });
         });
     });
 });