Fail workflow instead of task in tests

Author: dandavison

tests/worker/test_nexus.py

@@ -392,6 +392,7 @@ async def test_sync_response(
         workflows=[CallerWorkflow, HandlerWorkflow],
         task_queue=task_queue,
         workflow_runner=UnsandboxedWorkflowRunner(),
+        workflow_failure_exception_types=[Exception],
     ):
         await create_nexus_endpoint(task_queue, client)
         caller_wf_handle = await client.start_workflow(
@@ -442,6 +443,7 @@ async def test_async_response(
         workflows=[CallerWorkflow, HandlerWorkflow],
         task_queue=task_queue,
         workflow_runner=UnsandboxedWorkflowRunner(),
+        workflow_failure_exception_types=[Exception],
     ):
         caller_wf_handle, handler_wf_handle = await _start_wf_and_nexus_op(
             client, task_queue, request_cancel, op_definition_type, caller_reference
@@ -569,6 +571,7 @@ async def test_untyped_caller(
         nexus_services=[ServiceImpl()],
         task_queue=task_queue,
         workflow_runner=UnsandboxedWorkflowRunner(),
+        workflow_failure_exception_types=[Exception],
     ):
         await create_nexus_endpoint(task_queue, client)
         caller_wf_handle = await client.start_workflow(
@@ -720,6 +723,7 @@ async def test_service_interface_and_implementation_names(client: Client):
         workflows=[ServiceInterfaceAndImplCallerWorkflow],
         task_queue=task_queue,
         workflow_runner=UnsandboxedWorkflowRunner(),
+        workflow_failure_exception_types=[Exception],
     ):
         await create_nexus_endpoint(task_queue, client)
         assert await client.execute_workflow(