FIR IDE: add ability to run multimodule tests

compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/TestConfiguration.kt

@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.test.directives.model.RegisteredDirectives
 import org.jetbrains.kotlin.test.model.*
 import org.jetbrains.kotlin.test.services.MetaTestConfigurator
 import org.jetbrains.kotlin.test.services.ModuleStructureExtractor
+import org.jetbrains.kotlin.test.services.PreAnalysisHandler
 import org.jetbrains.kotlin.test.services.TestServices
 
 typealias Constructor<T> = (TestServices) -> T
@@ -26,6 +27,8 @@ abstract class TestConfiguration {
 
     abstract val moduleStructureExtractor: ModuleStructureExtractor
 
+    abstract val preAnalysisHandlers: List<PreAnalysisHandler>
+
     abstract val metaTestConfigurators: List<MetaTestConfigurator>
 
     abstract val afterAnalysisCheckers: List<AfterAnalysisChecker>

compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/TestRunner.kt

@@ -52,6 +52,7 @@ class TestRunner(private val testConfiguration: TestConfiguration) {
             throw exception
         }
 
+
         testConfiguration.metaTestConfigurators.forEach {
             if (it.shouldSkipTest()) return
         }
@@ -62,6 +63,11 @@ class TestRunner(private val testConfiguration: TestConfiguration) {
         val modules = moduleStructure.modules
         val dependencyProvider = DependencyProviderImpl(services, modules)
         services.registerDependencyProvider(dependencyProvider)
+
+        testConfiguration.preAnalysisHandlers.forEach { preprocessor ->
+            preprocessor.preprocessModuleStructure(moduleStructure)
+        }
+
         var failedException: WrappedException? = null
         try {
             for (module in modules) {

compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/PreAnalysisHandler.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.test.services
+
+abstract class PreAnalysisHandler(protected val testServices: TestServices) {
+    abstract fun preprocessModuleStructure(moduleStructure: TestModuleStructure)
+}