fix: example test

Example test was failing because return type now deserialized.

Author: yaythomas

examples/test/test_hello_world.py

@@ -9,13 +9,10 @@
 from src import hello_world
 
 
-class TestExamples:
-    """Integration tests for examples."""
+def test_hello_world():
+    """Test hello world example."""
+    with DurableFunctionTestRunner(handler=hello_world.handler) as runner:
+        result: DurableFunctionTestResult = runner.run(input="test", timeout=10)
 
-    def test_hello_world(self):
-        """Test hello world example."""
-        with DurableFunctionTestRunner(handler=hello_world.handler) as runner:
-            result: DurableFunctionTestResult = runner.run(input="test", timeout=10)
-
-        assert result.status is InvocationStatus.SUCCEEDED  # noqa: S101
-        assert result.result == '"Hello World!"'  # noqa: S101
+    assert result.status is InvocationStatus.SUCCEEDED  # noqa: S101
+    assert result.result == "Hello World!"  # noqa: S101