refactor(test): add in customizable targetRoot

Author: ckipp01

tests/buildTools/src/test/scala/tests/BaseBuildToolSuite.scala

@@ -57,14 +57,16 @@ abstract class BaseBuildToolSuite extends MopedSuite(ScipJava.app) {
       extraArguments: List[String] = Nil,
       expectedError: Option[String => Unit] = None,
       expectedPackages: String = "",
-      initCommand: => List[String] = Nil
+      initCommand: => List[String] = Nil,
+      targetRoot: Option[String] = None
   ): Unit = {
     test(options.withTags(options.tags ++ tags)) {
       if (initCommand.nonEmpty) {
         os.proc(Shellable(initCommand)).call(os.Path(workingDirectory))
       }
       FileLayout.fromString(original, root = workingDirectory)
-      val targetroot = workingDirectory.resolve("targetroot")
+      val targetroot = workingDirectory
+        .resolve(targetRoot.getOrElse("targetroot"))
       val arguments =
         List[String](
           "index",

tests/buildTools/src/test/scala/tests/MillBuildToolSuite.scala

@@ -53,9 +53,15 @@ class MillBuildToolSuite extends BaseBuildToolSuite {
           |""".stripMargin,
       expectedSemanticdbFiles = 2,
       expectedPackages =
-        """|maven:munit:munit:1.0.0-M6
+        """|maven:junit:junit:4.13.2
+           |maven:org.hamcrest:hamcrest-core:1.3
+           |maven:org.scala-lang:scala-library:2.13.8
+           |maven:org.scala-sbt:test-interface:1.0
+           |maven:org.scalameta:junit-interface:1.0.0-M6
+           |maven:org.scalameta:munit_2.13:1.0.0-M6
            |""".stripMargin,
-      initCommand = setupMill()
+      initCommand = setupMill(),
+      targetRoot = Some("out/io/kipp/mill/scip/Scip/generate.dest")
     )
   }
 }