chore: Retry code actions for Scala CLi diags

I must have lost it during one of the rebases

Author: tgodzik

tests/slow/src/main/scala/tests/scalacli/BaseScalaCLIActionSuite.scala

@@ -66,6 +66,7 @@ class BaseScalaCLIActionSuite(name: String)
       changeFile: String => String = identity,
       expectError: Boolean = false,
       filterAction: CodeAction => Boolean = _ => true,
+      retryAction: Int = 0,
   )(implicit loc: Location): Unit = {
 
     val path = toPath(fileName)
@@ -95,7 +96,8 @@ class BaseScalaCLIActionSuite(name: String)
       changeFile,
       expectError,
       filterAction,
-      overrideLayout = layout,
+      layout,
+      retryAction,
     )
   }
 }

tests/slow/src/test/scala/tests/scalacli/ScalaCliActionsSuite.scala

@@ -28,6 +28,7 @@ class ScalaCliActionsSuite
   val coursierComplete = new CoursierComplete(scalaCompilerVersion)
   val newestOsLib: String = coursierComplete
     .complete("com.lihaoyi::os-lib:")
+    .filterNot(_.contains("M"))
     .headOption
     .map(_.stripPrefix(":"))
     .getOrElse("0.8.1")
@@ -53,6 +54,7 @@ class ScalaCliActionsSuite
     scalaCliOptions = List("--actions", "-S", scalaVersion),
     expectNoDiagnostics = false,
     selectedActionIndex = 1,
+    retryAction = 5,
   )
 
   checkScalaCLI(
@@ -83,6 +85,7 @@ class ScalaCliActionsSuite
     scalaCliOptions = List("--actions", "-S", scalaVersion),
     expectNoDiagnostics = false,
     selectedActionIndex = 1,
+    retryAction = 5,
   )
 
   checkNoActionScalaCLI(

tests/unit/src/main/scala/tests/codeactions/BaseCodeActionLspSuite.scala

@@ -138,6 +138,7 @@ abstract class BaseCodeActionLspSuite(
         .recoverWith {
           case _: Throwable if retry > 0 =>
             Thread.sleep(2000)
+            scribe.debug("Retrying code actions")
             assertCodeAction(retry - 1)
           case _: Throwable if expectError =>
             Future.successful(Nil)