[FIX] Move backing field bytecodeListing tests to a separate folder

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerFirTestdataTestGenerated.java

@@ -5541,6 +5541,12 @@ public class DiagnosisCompilerFirTestdataTestGenerated extends AbstractDiagnosis
                 KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties"), Pattern.compile("^([^.]+)\\.kt$"), null, true);
             }
 
+            @Test
+            @TestMetadata("explicitBackingFieldUnsupported.kt")
+            public void testExplicitBackingFieldUnsupported() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/explicitBackingFieldUnsupported.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/backingField")
             @TestDataPath("$PROJECT_ROOT")

compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/explicitBackingFieldUnsupported.fir.txt

@@ -0,0 +1,4 @@
+FILE: explicitBackingFieldUnsupported.kt
+    public final val that: R|kotlin/Number|
+        private <explicit backing field>: R|kotlin/Int| = Int(4)
+        public get(): R|kotlin/Number|

compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/explicitBackingFieldUnsupported.kt

@@ -0,0 +1,4 @@
+// LANGUAGE: -ExplicitBackingFields
+
+val that: Number
+    <!UNSUPPORTED_FEATURE!>field = 4<!>

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticTestGenerated.java

@@ -5541,6 +5541,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
                 KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties"), Pattern.compile("^([^.]+)\\.kt$"), null, true);
             }
 
+            @Test
+            @TestMetadata("explicitBackingFieldUnsupported.kt")
+            public void testExplicitBackingFieldUnsupported() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/explicitBackingFieldUnsupported.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/backingField")
             @TestDataPath("$PROJECT_ROOT")

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticsWithLightTreeTestGenerated.java

@@ -5541,6 +5541,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
                 KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties"), Pattern.compile("^([^.]+)\\.kt$"), null, true);
             }
 
+            @Test
+            @TestMetadata("explicitBackingFieldUnsupported.kt")
+            public void testExplicitBackingFieldUnsupported() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/explicitBackingFieldUnsupported.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/fir/analysis-tests/testData/resolveWithStdlib/properties/backingField")
             @TestDataPath("$PROJECT_ROOT")

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/Fir2IrSpecificBytecodeListingTestGenerated.java

@@ -25,9 +25,29 @@ public class Fir2IrSpecificBytecodeListingTestGenerated extends AbstractFirBytec
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/fir2ir/testData/codegen/bytecodeListing"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
     }
 
-    @Test
+    @Nested
-    @TestMetadata("explicitBackingFieldsInJava.kt")
+    @TestMetadata("compiler/fir/fir2ir/testData/codegen/bytecodeListing/properties")
-    public void testExplicitBackingFieldsInJava() throws Exception {
+    @TestDataPath("$PROJECT_ROOT")
-        runTest("compiler/fir/fir2ir/testData/codegen/bytecodeListing/explicitBackingFieldsInJava.kt");
+    public class Properties {
+        @Test
+        public void testAllFilesPresentInProperties() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/fir2ir/testData/codegen/bytecodeListing/properties"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+        }
+
+        @Nested
+        @TestMetadata("compiler/fir/fir2ir/testData/codegen/bytecodeListing/properties/backingField")
+        @TestDataPath("$PROJECT_ROOT")
+        public class BackingField {
+            @Test
+            public void testAllFilesPresentInBackingField() throws Exception {
+                KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/fir2ir/testData/codegen/bytecodeListing/properties/backingField"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+            }
+
+            @Test
+            @TestMetadata("explicitBackingFieldsInJava.kt")
+            public void testExplicitBackingFieldsInJava() throws Exception {
+                runTest("compiler/fir/fir2ir/testData/codegen/bytecodeListing/properties/backingField/explicitBackingFieldsInJava.kt");
+            }
+        }
     }
 }

compiler/testData/diagnostics/tests/properties/backingField/trivialExplicitBackingFIeld.fir.kt

@@ -1,4 +1,4 @@
 class A {
     val number: Number
-        field = 1
+        <!UNSUPPORTED_FEATURE!>field = 1<!>
 }

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/runners/codegen/AbstractBytecodeListingTest.kt

@@ -46,7 +46,7 @@ abstract class AbstractBytecodeListingTestBase<R : ResultingArtifact.FrontendOut
 
         useAfterAnalysisCheckers(::BlackBoxCodegenSuppressor)
 
-        forTestsMatching("compiler/fir/fir2ir/testData/codegen/bytecodeListing/*") {
+        forTestsMatching("compiler/fir/fir2ir/testData/codegen/bytecodeListing/properties/backingField/*") {
             defaultDirectives {
                 LanguageSettingsDirectives.LANGUAGE with "+ExplicitBackingFields"
             }