[PL][tests] Fix: Properly count test steps in KLIB ABI compatibility tests

compiler/tests-common/tests/org/jetbrains/kotlin/klib/KlibABITestUtils.kt

@@ -87,7 +87,7 @@ object KlibABITestUtils {
                 val (moduleInfo, moduleTestDir, moduleBuildDirs, klibFile) = modulesMap[moduleName]
                     ?: fail { "No module $moduleName found on step ${projectStep.id}" }
 
-                val moduleStep = moduleInfo.steps[projectStep.id]
+                val moduleStep = moduleInfo.steps.getValue(projectStep.id)
 
                 moduleStep.modifications.forEach { modification ->
                     modification.execute(moduleTestDir, moduleBuildDirs.sourceDir)

compiler/tests-compiler-utils/tests/org/jetbrains/kotlin/codegen/TestModel.kt

@@ -52,7 +52,7 @@ class ModuleInfo(val moduleName: String) {
         val rebuildKlib: Boolean
     )
 
-    val steps = mutableListOf<ModuleStep>()
+    val steps = hashMapOf</* step ID */ Int, ModuleStep>()
 }
 
 const val PROJECT_INFO_FILE = "project.info"
@@ -276,7 +276,9 @@ class ModuleInfoParser(infoFile: File) : InfoParser<ModuleInfo>(infoFile) {
             if (stepMatcher.matches()) {
                 val firstId = Integer.parseInt(stepMatcher.group(1))
                 val lastId = stepMatcher.group(2)?.let { Integer.parseInt(it) } ?: firstId
-                result.steps += parseSteps(firstId, lastId)
+                parseSteps(firstId, lastId).forEach { step ->
+                    result.steps[step.id] = step
+                }
             }
             false
         }

js/js.tests/test/org/jetbrains/kotlin/incremental/AbstractInvalidationTest.kt

@@ -162,7 +162,7 @@ abstract class AbstractInvalidationTest(
             val moduleTestDir = File(testDir, module)
             val moduleSourceDir = File(sourceDir, module)
             val moduleInfo = moduleInfos[module] ?: error("No module info found for $module")
-            val moduleStep = moduleInfo.steps[projStepId]
+            val moduleStep = moduleInfo.steps.getValue(projStepId)
             val deletedFiles = mutableSetOf<String>()
             for (modification in moduleStep.modifications) {
                 modification.execute(moduleTestDir, moduleSourceDir) { deletedFiles.add(it.name) }