diff --git a/tests/test_start_execution.py b/tests/test_start_execution.py
index 85a96026d..e57b36d87 100644
--- a/tests/test_start_execution.py
+++ b/tests/test_start_execution.py
@@ -181,72 +181,17 @@ def test_submit_jobs():
         ]
 
 
-def test_lambda_handler_500_jobs():
+def test_lambda_handler():
     with (
         patch('dynamo.jobs.get_jobs_waiting_for_execution') as mock_get_jobs_waiting_for_execution,
+        patch('dynamo.util.convert_decimals_to_numbers') as mock_convert_decimals_to_numbers,
         patch('start_execution.submit_jobs') as mock_submit_jobs,
-        patch.dict(os.environ, {'STEP_FUNCTION_ARN': 'test-step-function-arn'}, clear=True),
     ):
-        mock_jobs = list(range(500))
-        mock_get_jobs_waiting_for_execution.return_value = mock_jobs
-
-        mock_submit_jobs.return_value = None
-
-        start_execution.lambda_handler({}, None)
-
-        mock_get_jobs_waiting_for_execution.assert_called_once_with(limit=500)
-
-        assert mock_submit_jobs.mock_calls == [call(mock_jobs)]
-
-
-def test_lambda_handler_400_jobs():
-    with (
-        patch('dynamo.jobs.get_jobs_waiting_for_execution') as mock_get_jobs_waiting_for_execution,
-        patch('start_execution.submit_jobs') as mock_submit_jobs,
-        patch.dict(os.environ, {'STEP_FUNCTION_ARN': 'test-step-function-arn'}, clear=True),
-    ):
-        mock_jobs = list(range(400))
-        mock_get_jobs_waiting_for_execution.return_value = mock_jobs
-
-        mock_submit_jobs.return_value = None
-
-        start_execution.lambda_handler({}, None)
-
-        mock_get_jobs_waiting_for_execution.assert_called_once_with(limit=500)
-
-        assert mock_submit_jobs.mock_calls == [call(mock_jobs)]
-
-
-def test_lambda_handler_50_jobs():
-    with (
-        patch('dynamo.jobs.get_jobs_waiting_for_execution') as mock_get_jobs_waiting_for_execution,
-        patch('start_execution.submit_jobs') as mock_submit_jobs,
-        patch.dict(os.environ, {'STEP_FUNCTION_ARN': 'test-step-function-arn'}, clear=True),
-    ):
-        mock_jobs = list(range(50))
-        mock_get_jobs_waiting_for_execution.return_value = mock_jobs
-
-        mock_submit_jobs.return_value = None
+        mock_get_jobs_waiting_for_execution.return_value = 'mock_jobs'
+        mock_convert_decimals_to_numbers.return_value = 'converted_jobs'
 
         start_execution.lambda_handler({}, None)
 
         mock_get_jobs_waiting_for_execution.assert_called_once_with(limit=500)
-
-        assert mock_submit_jobs.mock_calls == [call(mock_jobs)]
-
-
-def test_lambda_handler_no_jobs():
-    with (
-        patch('dynamo.jobs.get_jobs_waiting_for_execution') as mock_get_jobs_waiting_for_execution,
-        patch('start_execution.submit_jobs') as mock_submit_jobs,
-        patch.dict(os.environ, {'STEP_FUNCTION_ARN': 'test-step-function-arn'}, clear=True),
-    ):
-        mock_get_jobs_waiting_for_execution.return_value = []
-
-        mock_submit_jobs.return_value = None
-
-        start_execution.lambda_handler({}, None)
-
-        mock_get_jobs_waiting_for_execution.assert_called_once_with(limit=500)
-
-        assert mock_submit_jobs.mock_calls == [call([])]
+        mock_convert_decimals_to_numbers.assert_called_once_with('mock_jobs')
+        mock_submit_jobs.assert_called_once_with('converted_jobs')