Merge pull request #405 from SethTisue/scala-2.13.4

Scala 2.13.4 (was 2.13.3)

Author: SethTisue

.travis.yml

@@ -7,7 +7,7 @@ language: scala
 scala:
   - 2.11.12
   - 2.12.12
-  - 2.13.3
+  - 2.13.4
   - 3.0.0-M3
 
 env:

build.sbt

@@ -52,7 +52,7 @@ lazy val junit = libraryDependencies += "com.novocode" % "junit-interface" % "0.
 
 lazy val scala211 = "2.11.12"
 lazy val scala212 = "2.12.12"
-lazy val scala213 = "2.13.3"
+lazy val scala213 = "2.13.4"
 lazy val scala30  = "3.0.0-M3"
 
 lazy val compat = MultiScalaCrossProject(JSPlatform, JVMPlatform, NativePlatform)(

compat/src/test/scala/test/scala/collection/LazyListLazinessTest.scala

@@ -819,7 +819,6 @@ class LazyListLazinessTest {
   }
 
   @Test
-  @Ignore // TODO: enable after upgrading to 2.13.4+
   def cons_properlyLazy(): Unit = {
     genericCons_properlyLazy(LazyList.cons(_, _))
   }