tweak a test to compile on latest Scala 2.13 nightlies

fixes #2355
typelevel · Aug 3, 2018 · 46a7fab · 46a7fab
1 parent 8a1875a
commit 46a7fab
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tests/src/test/scala/cats/tests/RepresentableSuite.scala b/tests/src/test/scala/cats/tests/RepresentableSuite.scala
@@ -59,6 +59,7 @@ class RepresentableSuite extends CatsSuite {
   }
 
   {
+    implicit val isoFunction1 = Isomorphisms.invariant[String => ?]
     implicit val monadInstance = Representable.monad[String => ?]
     checkAll("String => ?", MonadTests[String => ?].monad[String, String, String])
   }