leverage testkit for -Xsource:3 test

scalafix-tests/input/src/main/scala-xsource3/test/removeUnused/RemoveUnusedImportsWildcards.scala

@@ -0,0 +1,16 @@
+/*
+rules = RemoveUnused
+*/
+package test.removeUnused
+
+import java.io.*
+import java.util.concurrent._
+
+import scala.collection.mutable
+import scala.util._
+import scala.io.*
+
+object RemoveUnusedImportsWildcards {
+    new File("")
+    new ConcurrentHashMap[String, String]()
+}

scalafix-tests/output/src/main/scala-xsource3/test/removeUnused/RemoveUnusedImportsWildcards.scala

@@ -0,0 +1,10 @@
+package test.removeUnused
+
+import java.io.*
+import java.util.concurrent._
+
+
+object RemoveUnusedImportsWildcards {
+    new File("")
+    new ConcurrentHashMap[String, String]()
+}

scalafix-tests/unit/src/test/scala/scalafix/tests/interfaces/ScalafixArgumentsSuite.scala

@@ -434,72 +434,6 @@ class ScalafixArgumentsSuite extends AnyFunSuite with DiffAssertions {
     assert(obtainedError == ScalafixFileEvaluationError.ParseError)
   }
 
-  test("Scala 3 style wildcard import", SkipWindows) {
-    // https://github.com/scalacenter/scalafix/issues/1663
-
-    if (scala.util.Properties.versionNumberString.startsWith("2.11")) {
-      cancel()
-    }
-
-    val cwd = StringFS
-      .string2dir(
-        """|/src/Main.scala
-          |import scala.collection.mutable
-          |import scala.util._
-          |import scala.io.*
-          |
-          |object Main
-        """.stripMargin,
-        charset
-      )
-      .toNIO
-    val d = cwd.resolve("out")
-    val target = cwd.resolve("target")
-    val src = cwd.resolve("src")
-    Files.createDirectories(d)
-    val main = src.resolve("Main.scala")
-
-    val scalacOptions = Array[String](
-      "-Xsource:3",
-      "-Yrangepos",
-      removeUnused,
-      s"-Xplugin:${SemanticdbPlugin.semanticdbPluginPath()}",
-      "-Xplugin-require:semanticdb",
-      "-classpath",
-      s"${scalaLibrary.mkString(":")}",
-      s"-P:semanticdb:sourceroot:$src",
-      s"-P:semanticdb:targetroot:$target",
-      "-d",
-      d.toString,
-      main.toString
-    )
-
-    val _ = scala.tools.nsc.Main.process(scalacOptions)
-    val result = api
-      .withRules(
-        Collections.singletonList(removeUnsuedRule().name.toString())
-      )
-      .withClasspath((scalaLibrary.map(_.toNIO) :+ target).asJava)
-      .withScalacOptions(Collections.singletonList(removeUnused))
-      .withScalaVersion("2.13.8")
-      .withPaths(Seq(main).asJava)
-      .withSourceroot(src)
-      .evaluate()
-
-    val error = result.getError
-    assert(!error.isPresent)
-    assert(result.isSuccessful)
-    assert(result.getFileEvaluations.length == 1)
-    val fileEvaluation = result.getFileEvaluations.head
-    assert(fileEvaluation.isSuccessful)
-    val expected =
-      """|
-        |object Main
-        |""".stripMargin
-    val obtained = fileEvaluation.previewPatches.get()
-    assertNoDiff(obtained, expected)
-  }
-
   test("withScalaVersion: non-parsable scala version") {
     val run = Try(api.withScalaVersion("213"))
     assert(run.isFailure)