FIR LC: use the data path from the test base
diff --git a/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesAnnotationOwnerTest.kt b/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesAnnotationOwnerTest.kt
index b9703f2..f8c2492b 100644
--- a/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesAnnotationOwnerTest.kt
+++ b/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesAnnotationOwnerTest.kt
@@ -10,7 +10,6 @@
 import junit.framework.TestCase
 import org.jetbrains.kotlin.analysis.test.framework.test.configurators.AnalysisApiTestConfigurator
 import org.jetbrains.kotlin.asJava.LightClassTestCommon
-import org.jetbrains.kotlin.build.DEFAULT_KOTLIN_SOURCE_FILES_EXTENSIONS
 import org.jetbrains.kotlin.light.classes.symbol.FirLightClassModifierList
 import org.jetbrains.kotlin.light.classes.symbol.FirLightMemberModifierList
 import org.jetbrains.kotlin.psi.KtFile
@@ -24,11 +23,7 @@
     override val stopIfCompilationErrorDirectivePresent: Boolean,
 ) : AbstractSymbolLightClassesTestBase(configurator) {
     override fun doTestByFileStructure(ktFiles: List<KtFile>, module: TestModule, testServices: TestServices) {
-        val testDataFile = module.files.first {
-            it.originalFile.extension in DEFAULT_KOTLIN_SOURCE_FILES_EXTENSIONS
-        }.originalFile.toPath()
-
-        val fqName = LightClassTestCommon.fqNameInTestDataFile(testDataFile.toFile())
+        val fqName = LightClassTestCommon.fqNameInTestDataFile(testDataPath.toFile())
 
         val ktFile = ktFiles.first()
         val lightClass = findLightClass(fqName, ktFile.project)
diff --git a/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesTestBase.kt b/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesTestBase.kt
index 306cb49..2694c06 100644
--- a/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesTestBase.kt
+++ b/analysis/symbol-light-classes/tests/org/jetbrains/kotlin/light/classes/symbol/base/AbstractSymbolLightClassesTestBase.kt
@@ -13,7 +13,6 @@
 import org.jetbrains.kotlin.analysis.test.framework.services.libraries.CompilerExecutor
 import org.jetbrains.kotlin.analysis.test.framework.test.configurators.AnalysisApiTestConfigurator
 import org.jetbrains.kotlin.asJava.finder.JavaElementFinder
-import org.jetbrains.kotlin.build.DEFAULT_KOTLIN_SOURCE_FILES_EXTENSIONS
 import org.jetbrains.kotlin.light.classes.symbol.base.service.NullabilityAnnotationSourceProvider
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.test.builders.TestConfigurationBuilder
@@ -55,15 +54,12 @@
         if (stopIfCompilationErrorDirectivePresent && CompilerExecutor.Directives.COMPILATION_ERRORS in module.directives) {
             return
         }
-        val testDataFile = module.files.first {
-            it.originalFile.extension in DEFAULT_KOTLIN_SOURCE_FILES_EXTENSIONS
-        }.originalFile.toPath()
 
         val ktFile = ktFiles.first()
         val project = ktFile.project
 
         ignoreExceptionIfIgnoreFirPresent(module) {
-            val actual = getRenderResult(ktFile, testDataFile, module, project)
+            val actual = getRenderResult(ktFile, testDataPath, module, project)
             compareResults(testServices, actual)
             removeIgnoreFir(module)
             removeDuplicatedFirJava(testServices)