diff --git a/build.sbt b/build.sbt
index 9d29bfcb6d6a..9425c4eed1e9 100644
--- a/build.sbt
+++ b/build.sbt
@@ -36,6 +36,7 @@ val `dist-linux-aarch64` = Build.`dist-linux-aarch64`
 val `community-build` = Build.`community-build`
 val `sbt-community-build` = Build.`sbt-community-build`
 val `scala3-presentation-compiler` = Build.`scala3-presentation-compiler`
+val `scala3-presentation-compiler-testcases` = Build.`scala3-presentation-compiler-testcases`
 
 val sjsSandbox = Build.sjsSandbox
 val sjsJUnitTests = Build.sjsJUnitTests
diff --git a/presentation-compiler/test/dotty/tools/pc/base/BasePCSuite.scala b/presentation-compiler/test/dotty/tools/pc/base/BasePCSuite.scala
index 1158e433e732..a26c31ef084d 100644
--- a/presentation-compiler/test/dotty/tools/pc/base/BasePCSuite.scala
+++ b/presentation-compiler/test/dotty/tools/pc/base/BasePCSuite.scala
@@ -25,9 +25,9 @@ import org.junit.runner.RunWith
 import scala.meta.pc.CompletionItemPriority
 
 object TestResources:
-  val scalaLibrary = BuildInfo.ideTestsDependencyClasspath.map(_.toPath).toSeq
+  val classpath = BuildInfo.ideTestsDependencyClasspath.map(_.toPath).toSeq
   val classpathSearch =
-    ClasspathSearch.fromClasspath(scalaLibrary, ExcludedPackagesHandler.default)
+    ClasspathSearch.fromClasspath(classpath, ExcludedPackagesHandler.default)
 
 @RunWith(classOf[ReusableClassRunner])
 abstract class BasePCSuite extends PcAssertions:
@@ -38,11 +38,11 @@ abstract class BasePCSuite extends PcAssertions:
   val executorService: ScheduledExecutorService =
     Executors.newSingleThreadScheduledExecutor()
   val testingWorkspaceSearch = TestingWorkspaceSearch(
-    TestResources.scalaLibrary.map(_.toString)
+    TestResources.classpath.map(_.toString)
   )
 
   lazy val presentationCompiler: PresentationCompiler =
-    val myclasspath: Seq[Path] = TestResources.scalaLibrary
+    val myclasspath: Seq[Path] = TestResources.classpath
     val scalacOpts = scalacOptions(myclasspath)
     val search = new MockSymbolSearch(
       testingWorkspaceSearch,
diff --git a/project/Build.scala b/project/Build.scala
index b2aca3705d83..f36171aabbcd 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -1425,7 +1425,7 @@ object Build {
 
   lazy val `scala3-presentation-compiler` = project.in(file("presentation-compiler"))
     .withCommonSettings(Bootstrapped)
-    .dependsOn(`scala3-compiler-bootstrapped`, `scala3-library-bootstrapped`)
+    .dependsOn(`scala3-compiler-bootstrapped`, `scala3-library-bootstrapped`, `scala3-presentation-compiler-testcases`)
     .settings(presentationCompilerSettings)
     .settings(scala3PresentationCompilerBuildInfo)
     .settings(
@@ -1436,6 +1436,7 @@ object Build {
   def scala3PresentationCompilerBuildInfo =
     Seq(
       ideTestsDependencyClasspath := {
+        val testCasesLib = (`scala3-presentation-compiler-testcases` / Compile / classDirectory).value
         val dottyLib = (`scala3-library-bootstrapped` / Compile / classDirectory).value
         val scalaLib =
           (`scala3-library-bootstrapped` / Compile / dependencyClasspath)
@@ -1443,7 +1444,7 @@ object Build {
             .map(_.data)
             .filter(_.getName.matches("scala-library.*\\.jar"))
             .toList
-        dottyLib :: scalaLib
+        testCasesLib :: dottyLib :: scalaLib
         // Nil
       },
       Compile / buildInfoPackage := "dotty.tools.pc.buildinfo",
@@ -1503,6 +1504,10 @@ object Build {
     )
   }
 
+  lazy val `scala3-presentation-compiler-testcases` = project.in(file("presentation-compiler-testcases"))
+    .dependsOn(`scala3-compiler-bootstrapped`)
+    .settings(commonBootstrappedSettings)
+
   lazy val `scala3-language-server` = project.in(file("language-server")).
     dependsOn(dottyCompiler(Bootstrapped)).
     settings(commonBootstrappedSettings).