[K/JS] Fix Windows test run with a long test name

js/js.tests/test/org/jetbrains/kotlin/js/test/converters/JsIrBackendFacade.kt

@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.js.test.converters
 
 import org.jetbrains.kotlin.backend.common.phaser.PhaseConfig
 import org.jetbrains.kotlin.backend.common.phaser.toPhaseMap
+import org.jetbrains.kotlin.backend.common.serialization.cityHash64
 import org.jetbrains.kotlin.backend.common.serialization.signature.IdSignatureDescriptor
 import org.jetbrains.kotlin.cli.common.isWindows
 import org.jetbrains.kotlin.config.CommonConfigurationKeys
@@ -302,7 +303,8 @@ val TestModule.kind: ModuleKind
     get() = directives.moduleKind
 
 fun String.augmentWithModuleName(moduleName: String): String {
-    val normalizedName = moduleName.run { if (isWindows) minify() else this }
+    val shouldMinimize = isWindows && moduleName.isPath()
+    val normalizedName = moduleName.run { if (shouldMinimize) minify() else this }
     val suffix = when {
         endsWith(ESM_EXTENSION) -> ESM_EXTENSION
         endsWith(REGULAR_EXTENSION) -> REGULAR_EXTENSION
@@ -320,8 +322,14 @@ fun String.augmentWithModuleName(moduleName: String): String {
 // The hack should be deleted when D8 fixes the bug.
 // The issue is here: https://bugs.chromium.org/p/v8/issues/detail?id=13318
 fun String.minify(): String {
-    return replace("kotlin_org_jetbrains_kotlin_kotlin_", "")
-        .replace("_minimal_for_test", "_min")
+    if (length <= 80) return this
+
+    val directoryPath = substringBeforeLast('/')
+    val fileFullName = substringAfterLast('/')
+    val fileName = fileFullName.substringBeforeLast('.')
+    val fileExtension = fileFullName.substringAfterLast('.')
+
+    return "$directoryPath/${fileName.cityHash64().toULong().toString(16)}.$fileExtension"
 }
 
 private fun String.isPath(): Boolean = contains("/")