diff --git a/test/src/engine_test.dart b/test/src/engine_test.dart
index 0712ba8..43ea13e 100644
--- a/test/src/engine_test.dart
+++ b/test/src/engine_test.dart
@@ -17,12 +17,12 @@ void main() {
 
   test("Engine does not throw errors when calling render directly", () {
     // anonymous function necessary since throws can not use functions with args
-    expect(() => sut.render(), isNot(throwsNoSuchMethodError));
+    expect(() => sut.render, isNot(throwsNoSuchMethodError));
   });
 
   test("Engine does not throw errors when processing without attached canvas", () {
     // anonymous function necessary since throws can not use functions with args
-    expect(() => sut.process(1000), isNot(throwsNoSuchMethodError));
+    expect(() => sut.process, isNot(throwsNoSuchMethodError));
   });
 
   test("setCanvas allows setting a canvas for an engine at any point", () {