add test

Author: mzuehlke

modules/core/src/test/scala/org/scalasteward/core/update/FilterAlgTest.scala

@@ -247,11 +247,17 @@ class FilterAlgTest extends FunSuite {
     assert(isDependencyConfigurationIgnored(dependency.copy(configurations = Some("scalafmt"))))
   }
 
-  test("scalaLTSFilter: LTS") {
-    val update = ("org.scala-lang".g % "scala3-compiler".a % "3.3.3" %> Nel.of("3.4.0")).single
+  test("scalaLTSFilter: LTS, no update") {
+    val update = ("org.scala-lang".g % "scala3-compiler".a % "3.3.2" %> Nel.of("3.4.0")).single
     assertEquals(scalaLTSFilter(update), Left(IgnoreScalaNext(update)))
   }
 
+  test("scalaLTSFilter: LTS, filter versions") {
+    val update =
+      ("org.scala-lang".g % "scala3-compiler".a % "3.3.2" %> Nel.of("3.3.3", "3.4.0")).single
+    assertEquals(scalaLTSFilter(update), Right(update.copy(newerVersions = Nel.of("3.3.3".v))))
+  }
+
   test("scalaLTSFilter: Next") {
     val update = ("org.scala-lang".g % "scala3-compiler".a % "3.4.0" %> Nel.of("3.4.1")).single
     assertEquals(scalaLTSFilter(update), Right(update))