scalatest: upgrade to 3.2.1 (#1831)

* scalatest: replace deprecated FlatSpec and add new Matchers import

* scalatest: 3.1.2 -> 3.2.1

1 files changed, 1 insertions, 1 deletions

diff --git a/build.sc b/build.sc
index 073d896b..2f8a56f1 100644
--- a/build.sc
+++ b/build.sc
@@ -59,7 +59,7 @@ class firrtlCrossModule(crossVersion: String) extends ScalaModule with SbtModule
     }
 
     def ivyDeps = Agg(
-      ivy"org.scalatest::scalatest:3.1.2",
+      ivy"org.scalatest::scalatest:3.2.1",
       ivy"org.scalatestplus::scalacheck-1-14:3.1.1.1"
     ) ++ ivyCrossDeps