Add back check

Author: felix2feng

package.json

@@ -44,7 +44,7 @@
     "test-scenarios": "yarn prepare-test && yarn truffle-test-scenarios",
     "transpile": "tsc",
     "truffle-test-scenarios": "truffle test `find transpiled/test/scenarios -name '*.spec.js'`",
-    "truffle-test-contracts": "truffle test `find transpiled/test/contracts -name '*.js'`",
+    "truffle-test-contracts": "truffle test `find transpiled/test/contracts -name '*.spec.js'`",
     "prepublishOnly": "yarn dist"
   },
   "repository": "[email protected]:SetProtocol/set-protocol-contracts.git",