Fix build setup to handle 2 failing scala2-compat sbt scripted tests

Author: WojciechMazur

project/Build.scala

@@ -686,7 +686,7 @@ object Build {
   // ================================= NON-BOOTSTRAPPED PROJECTS ==================================
   // ==============================================================================================
 
-  lazy val `scala3-nonbootstrapped` = project
+  lazy val `scala3-nonbootstrapped` = project.in(file("."))
     .aggregate(`scala3-interfaces`, `scala3-library-nonbootstrapped` , `scala-library-nonbootstrapped`,
       `tasty-core-nonbootstrapped`, `scala3-compiler-nonbootstrapped`, `scala3-sbt-bridge-nonbootstrapped`)
     .settings(
@@ -848,7 +848,7 @@ object Build {
       // Nothing to be published by this project
       publish / skip := true,
       // Project specific target folder. sbt doesn't like having two projects using the same target folder
-      target := target.value / "scala3-bootstrapped",
+      target := (ThisBuild / baseDirectory).value / "target" / "scala3-bootstrapped",
       scalac := Def.inputTaskDyn {
         val log = streams.value.log
         val externalDeps = (`scala3-compiler-bootstrapped-new` / Runtime / externalDependencyClasspath).value
@@ -1316,6 +1316,8 @@ object Build {
       Test / doc     := (`scala-library-nonbootstrapped` / Test / doc).value,
       Test / run     := (`scala-library-nonbootstrapped` / Test / run).evaluated,
       Test / test    := (`scala-library-nonbootstrapped` / Test / test).value,
+      // Claim that the classes generated by this project are the same as the one we get from `scala-library-nonbootstrapped`
+      Compile / classDirectory := (`scala-library-nonbootstrapped` / Compile / classDirectory).value,
       // Packaging configuration of the stdlib
       Compile / packageBin / publishArtifact := true,
       Compile / packageDoc / publishArtifact := false,
@@ -1446,6 +1448,8 @@ object Build {
       Test / compile := (`scala-library-bootstrapped` / Test / compile).value,
       Test / doc     := (`scala-library-bootstrapped` / Test / doc).value,
       Test / run     := (`scala-library-bootstrapped` / Test / run).evaluated,
+      // Claim that the classes generated by this project are the same as the one we get from `scala-library-bootstrapped`
+      Compile / classDirectory := (`scala-library-bootstrapped` / Compile / classDirectory).value,
       // Packaging configuration of the stdlib
       Compile / packageBin / publishArtifact := true,
       Compile / packageDoc / publishArtifact := false,