diff --git a/brainpy/_src/integrators/tests/test_to_source_code.py b/brainpy/_src/integrators/tests/test_to_math_expr.py
similarity index 100%
rename from brainpy/_src/integrators/tests/test_to_source_code.py
rename to brainpy/_src/integrators/tests/test_to_math_expr.py