diff --git a/test/contracts/apps/disputable/disputable_app.js b/test/contracts/apps/disputable/disputable_app.js
index 841da1e14..c663704e3 100644
--- a/test/contracts/apps/disputable/disputable_app.js
+++ b/test/contracts/apps/disputable/disputable_app.js
@@ -1,3 +1,4 @@
+const { sha3 } = require('web3-utils')
 const { assertRevert } = require('../../../helpers/assertThrow')
 const { getEventArgument } = require('../../../helpers/events')
 const { getNewProxyAddress } = require('../../../helpers/events')
@@ -322,4 +323,14 @@ contract('DisputableApp', ([_, owner, agreement, anotherAgreement, someone]) =>
       })
     })
   })
+
+  describe('roles', () => {
+    it('computes roles properly', async () => {
+      const EXPECTED_CHALLENGE_ROLE = sha3('CHALLENGE_ROLE')
+      assert.equal(await disputableBase.CHALLENGE_ROLE(), EXPECTED_CHALLENGE_ROLE, 'CHALLENGE_ROLE doesn’t match')
+
+      const EXPECTED_SET_AGREEMENT_ROLE = sha3('SET_AGREEMENT_ROLE')
+      assert.equal(await disputableBase.SET_AGREEMENT_ROLE(), EXPECTED_SET_AGREEMENT_ROLE, 'SET_AGREEMENT_ROLE doesn’t match')
+    })
+  })
 })