[FIR2IR] Lookup for nested classes in scope in Fir2IrLazyClass

^KT-55269 Fixed

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/ir/IrTextTestGenerated.java

@@ -3006,6 +3006,12 @@ public class IrTextTestGenerated extends AbstractIrTextTest {
             runTest("compiler/testData/ir/irText/stubs/javaNestedClass.kt");
         }
 
+        @Test
+        @TestMetadata("javaNestedClassesInHierarchy.kt")
+        public void testJavaNestedClassesInHierarchy() throws Exception {
+            runTest("compiler/testData/ir/irText/stubs/javaNestedClassesInHierarchy.kt");
+        }
+
         @Test
         @TestMetadata("javaStaticMethod.kt")
         public void testJavaStaticMethod() throws Exception {

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrTextDumpHandler.kt

@@ -79,12 +79,16 @@ class IrTextDumpHandler(testServices: TestServices) : AbstractIrHandler(testServ
         if (externalClassIds.isEmpty()) return
 
         val baseFile = testServices.moduleStructure.originalTestDataFiles.first()
-        for (externalClassId in externalClassIds) {
-            val classDump = info.irPluginContext.findExternalClass(externalClassId).dump()
-            val suffix = ".__${externalClassId.replace("/", ".")}"
-            val expectedFile = baseFile.withSuffixAndExtension(suffix, module.getDumpExtension(ignoreFirIdentical = true))
-            assertions.assertEqualsToFile(expectedFile, classDump)
-        }
+        assertions.assertAll(
+            externalClassIds.map { externalClassId ->
+                {
+                    val classDump = info.irPluginContext.findExternalClass(externalClassId).dump()
+                    val suffix = ".__${externalClassId.replace("/", ".")}"
+                    val expectedFile = baseFile.withSuffixAndExtension(suffix, module.getDumpExtension(ignoreFirIdentical = true))
+                    assertions.assertEqualsToFile(expectedFile, classDump)
+                }
+            }
+        )
     }
 
     private fun IrPluginContext.findExternalClass(externalClassId: String): IrClass {