diff --git a/tests/mocks/MockERC20.vy b/tests/mocks/MockERC20.vy
new file mode 100644
index 0000000..20a33d5
--- /dev/null
+++ b/tests/mocks/MockERC20.vy
@@ -0,0 +1,15 @@
+# pragma version ~=0.4.0
+
+from snekmate.tokens import erc20
+from snekmate.auth import ownable
+
+initializes: ownable
+initializes: erc20[ownable := ownable]
+
+exports: erc20.__interface__
+
+
+@deploy
+def __init__(decimals: uint8):
+    ownable.__init__()
+    erc20.__init__("mock", "mock", decimals, "mock", "mock")