diff --git a/tests/test_budget_tracker_bounds.py b/tests/test_budget_tracker_bounds.py
new file mode 100644
index 00000000000..703c1f19c93
--- /dev/null
+++ b/tests/test_budget_tracker_bounds.py
@@ -0,0 +1,13 @@
+import pytest
+from litellm.caching.caching import DualCache
+
+def test_dual_cache_in_memory_set_get():
+    cache = DualCache(in_memory_cache=True)
+    cache.set_cache(key="user_spend_123", value=45.50, ttl=300)
+    cached_val = cache.get_cache(key="user_spend_123")
+    assert cached_val == 45.50
+
+def test_dual_cache_miss():
+    cache = DualCache(in_memory_cache=True)
+    val = cache.get_cache(key="non_existent_key_xyz")
+    assert val is None
\ No newline at end of file