update firrtl tests

Author: trmckay

firrtl/src/test/scala/firrtlTests/ExtModuleTests.scala

@@ -39,7 +39,8 @@ class ExtModuleTests extends FirrtlFlatSpec {
             DoubleParam("REAL", -1.7),
             RawStringParam("TYP", "bit")
           ),
-          Seq("A", "B", "C")
+          Seq("A", "B", "C"),
+          Seq.empty
         )
       ),
       "Top"

firrtl/src/test/scala/firrtlTests/SerializerSpec.scala

@@ -75,6 +75,7 @@ object SerializerSpec {
     ),
     "child",
     Seq.empty,
+    Seq.empty,
     Seq.empty
   )
 
@@ -328,7 +329,7 @@ class SerializerSpec extends AnyFlatSpec with Matchers {
       "module `42_module`"
     )
     // TODO: an external module with a numeric defname should probably be rejected
-    Serializer.serialize(ExtModule(NoInfo, "42_extmodule", Seq.empty, "<TODO>", Seq.empty, Seq.empty)) should include(
+    Serializer.serialize(ExtModule(NoInfo, "42_extmodule", Seq.empty, "<TODO>", Seq.empty, Seq.empty, Seq.empty)) should include(
       "extmodule `42_extmodule`"
     )
     Serializer.serialize(IntModule(NoInfo, "42_intmodule", Seq.empty, "foo", Seq.empty)) should include(