diff --git a/metals/src/main/scala/scala/meta/internal/builds/Digest.scala b/metals/src/main/scala/scala/meta/internal/builds/Digest.scala
index dbcec6208ee..91479f3b3d2 100644
--- a/metals/src/main/scala/scala/meta/internal/builds/Digest.scala
+++ b/metals/src/main/scala/scala/meta/internal/builds/Digest.scala
@@ -3,11 +3,10 @@ package scala.meta.internal.builds
 import java.nio.charset.StandardCharsets
 import java.nio.file.Files
 import java.security.MessageDigest
-
 import scala.meta.internal.builds.Digest.Status
 import scala.meta.internal.io.PathIO
-import scala.meta.internal.mtags.MD5
 import scala.meta.internal.metals.MetalsEnrichments._
+import scala.meta.internal.mtags.MD5
 import scala.meta.io.AbsolutePath
 import scala.util.control.NonFatal
 import scala.xml.Node
@@ -186,7 +185,6 @@ trait Digestable {
       }
 
       digest.update(workspace.toString.getBytes(StandardCharsets.UTF_8))
-
       val isSuccess = digestWorkspace(workspace, digest)
       if (isSuccess) Some(MD5.bytesToHex(digest.digest()))
       else None
diff --git a/metals/src/main/scala/scala/meta/internal/builds/MavenDigest.scala b/metals/src/main/scala/scala/meta/internal/builds/MavenDigest.scala
index a9154892533..7b91ddd4484 100644
--- a/metals/src/main/scala/scala/meta/internal/builds/MavenDigest.scala
+++ b/metals/src/main/scala/scala/meta/internal/builds/MavenDigest.scala
@@ -3,6 +3,7 @@ package scala.meta.internal.builds
 import java.security.MessageDigest
 import scala.meta.io.AbsolutePath
 import scala.meta.internal.metals.MetalsEnrichments._
+import scala.meta.io.AbsolutePath
 
 object MavenDigest extends Digestable {
   override protected def digestWorkspace(
diff --git a/metals/src/main/scala/scala/meta/internal/builds/SbtDigest.scala b/metals/src/main/scala/scala/meta/internal/builds/SbtDigest.scala
index 783e94ff35d..26736d7e505 100644
--- a/metals/src/main/scala/scala/meta/internal/builds/SbtDigest.scala
+++ b/metals/src/main/scala/scala/meta/internal/builds/SbtDigest.scala
@@ -1,7 +1,6 @@
 package scala.meta.internal.builds
 
 import java.security.MessageDigest
-
 import scala.meta.internal.builds.Digest.digestScala
 import scala.meta.internal.metals.MetalsEnrichments._
 import scala.meta.io.AbsolutePath
diff --git a/mtags/src/main/scala/scala/meta/internal/mtags/MtagsEnrichments.scala b/mtags/src/main/scala/scala/meta/internal/mtags/MtagsEnrichments.scala
index c5b96e9df70..4e79ecb654c 100644
--- a/mtags/src/main/scala/scala/meta/internal/mtags/MtagsEnrichments.scala
+++ b/mtags/src/main/scala/scala/meta/internal/mtags/MtagsEnrichments.scala
@@ -57,6 +57,17 @@ trait MtagsEnrichments {
     else Language.UNKNOWN_LANGUAGE
   }
   implicit class XtensionPathMetals(file: Path) {
+    def enclosingSourceDirectory: Option[Path] = {
+      def loop(p: Path): Option[Path] =
+        if (p.endsWith("java") || p.endsWith("scala")) Some(p)
+        else {
+          Option(p.getParent()) match {
+            case None => None
+            case Some(parent) => loop(parent)
+          }
+        }
+      loop(file)
+    }
     def isClassfile: Boolean = filename.endsWith(".class")
     def filename: String = file.getFileName().toString()
     def toLanguage: Language = {
@@ -107,6 +118,9 @@ trait MtagsEnrichments {
         case _ => false
       }
     }
+    def isScalaScript: Boolean = {
+      filename.endsWith(".sc")
+    }
     def isWorksheet: Boolean = {
       filename.endsWith(".worksheet.sc")
     }
@@ -395,6 +409,10 @@ trait MtagsEnrichments {
   }
 
   implicit class XtensionAbsolutePath(path: AbsolutePath) {
+    def isEmptyDirectory: Boolean = {
+      path.isDirectory &&
+      !path.list.exists(_ => true)
+    }
     def parent: AbsolutePath = {
       AbsolutePath(path.toNIO.getParent)
     }
diff --git a/mtags/src/main/scala/scala/meta/internal/pc/LogMessages.scala b/mtags/src/main/scala/scala/meta/internal/pc/LogMessages.scala
index 2abc293b7cf..c43ba22fb52 100644
--- a/mtags/src/main/scala/scala/meta/internal/pc/LogMessages.scala
+++ b/mtags/src/main/scala/scala/meta/internal/pc/LogMessages.scala
@@ -2,6 +2,8 @@ package scala.meta.internal.pc
 
 object LogMessages {
   def cancelled: String = "cancelled presentation compiler"
+  def pluralName(name: String, count: Int): String =
+    s"${count} ${name}${plural(count)}"
   def plural(count: Int): String =
     if (count == 1) ""
     else "s"
diff --git a/tests/slow/src/test/scala/tests/BaseImportSuite.scala b/tests/unit/src/main/scala/tests/BaseImportSuite.scala
similarity index 100%
rename from tests/slow/src/test/scala/tests/BaseImportSuite.scala
rename to tests/unit/src/main/scala/tests/BaseImportSuite.scala
diff --git a/tests/unit/src/main/scala/tests/TestingClient.scala b/tests/unit/src/main/scala/tests/TestingClient.scala
index 609bf94e76b..097ee840f42 100644
--- a/tests/unit/src/main/scala/tests/TestingClient.scala
+++ b/tests/unit/src/main/scala/tests/TestingClient.scala
@@ -4,7 +4,6 @@ import java.util.concurrent.CompletableFuture
 import java.util.concurrent.ConcurrentLinkedDeque
 import java.util.concurrent.ConcurrentLinkedQueue
 import java.util.concurrent.atomic.AtomicInteger
-
 import org.eclipse.lsp4j.ApplyWorkspaceEditParams
 import org.eclipse.lsp4j.ApplyWorkspaceEditResponse
 import org.eclipse.lsp4j.Diagnostic