moved integration test to unit test

.github/workflows/check-pr.yaml

@@ -16,7 +16,7 @@ jobs:
           gpg-private-key: ${{ secrets.OSSRH_GPG_KEY }}
           gpg-passphrase: ${{ secrets.OSSRH_GPG_PASSPHRASE }}
       - name: Check PR
-        run: sbt --mem 10240 --batch ";checkPR;completeQaseRun"
+        run: sbt -J-Xlog:gc*=debug:file=./gc.log --mem 8096 --batch ";checkPR;completeQaseRun"
         env:
           QASE_ENABLE: true
           QASE_RUN_NAME: checkPR
@@ -56,3 +56,13 @@ jobs:
           sbt_version=$(cut -d\" -f2 version.sbt)
           pr_number=${{ github.event.number }}
           sbt -Dproject.version=$sbt_version-$pr_number-SNAPSHOT --mem 4096 --batch publishSigned
+      - name: Save debug data
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          if-no-files-found: ignore
+          name: debug-data
+          path: |
+            gc.log
+            hs*.log
+            core*

lang/tests/src/test/scala/com/wavesplatform/lang/estimator/ScriptEstimatorV2Test.scala

@@ -5,6 +5,8 @@ import com.wavesplatform.lang.directives.values.V3
 import com.wavesplatform.lang.utils.*
 import com.wavesplatform.lang.v1.estimator.v2.ScriptEstimatorV2
 
+import java.util.concurrent.Semaphore
+
 class ScriptEstimatorV2Test extends ScriptEstimatorTestBase(ScriptEstimatorV2) {
   property("transitive ref usage") {
     def estimateRefUsage(ref: String): Long = {
@@ -62,16 +64,18 @@ class ScriptEstimatorV2Test extends ScriptEstimatorTestBase(ScriptEstimatorV2) {
        """.stripMargin
 
     @volatile var r: Either[String, Long] = Right(0)
+    val s = new Semaphore(0)
     val run: Runnable = { () =>
+      s.release()
       r = estimate(functionCosts(V3), compile(hangingScript))
     }
     val t = new Thread(run)
     t.setDaemon(true)
 
     t.start()
-    Thread.sleep(5000)
+    s.acquire()
     t.interrupt()
-    Thread.sleep(500)
+    t.join()
 
     r shouldBe Left("Script estimation was interrupted")
     t.getState shouldBe Thread.State.TERMINATED