diff --git a/test/dynamics/common.py b/test/dynamics/common.py
index a27ee060e..92cce526c 100644
--- a/test/dynamics/common.py
+++ b/test/dynamics/common.py
@@ -163,10 +163,11 @@ def test_array_backends(test_class, backends=None):
     # reference to module that called this function
     module = inspect.getmodule(inspect.stack()[1][0])
 
-    libs = ["numpy", "jax", "array_numpy", "array_jax"]
-    base_classes = [NumpyTestBase, JaxTestBase, ArrayNumpyTestBase, ArrayJaxTestBase]
-    for lib, base_class in zip(libs, base_classes):
-        if lib in backends:
+    classes = inspect.getmembers(inspect.getmodule(inspect.currentframe()), inspect.isclass)
+    base_classes = [cls[1] for cls in classes if hasattr(cls[1], "lib")]
+
+    for base_class in base_classes:
+        lib = base_class.lib()
             class_name = f"{test_class.__name__}_{lib}"
             setattr(module, class_name, type(class_name, (test_class, base_class), {}))