add test for visibility of setter for delegated property (KT-5957)

compiler/testData/writeFlags/delegatedProperty/visibility/privateSet.kt

@@ -0,0 +1,16 @@
+class MyClass() {
+    public var x: Int by Delegate()
+        private set
+}
+
+class Delegate {
+    fun get(t: Any?, p: PropertyMetadata): Int {
+        return 1
+    }
+
+    fun set(t: Any?, p: PropertyMetadata, i: Int) {}
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: MyClass, setX
+// FLAGS: ACC_FINAL, ACC_PRIVATE

compiler/tests/org/jetbrains/kotlin/codegen/flags/WriteFlagsTestGenerated.java

@@ -32,6 +32,7 @@ import java.util.regex.Pattern;
 @TestDataPath("$PROJECT_ROOT")
 @InnerTestClasses({
         WriteFlagsTestGenerated.Class.class,
+        WriteFlagsTestGenerated.DelegatedProperty.class,
         WriteFlagsTestGenerated.Function.class,
         WriteFlagsTestGenerated.InnerClass.class,
         WriteFlagsTestGenerated.Property.class,
@@ -319,6 +320,33 @@ public class WriteFlagsTestGenerated extends AbstractWriteFlagsTest {
         }
     }
 
+    @TestMetadata("compiler/testData/writeFlags/delegatedProperty")
+    @TestDataPath("$PROJECT_ROOT")
+    @InnerTestClasses({
+            DelegatedProperty.Visibility.class,
+    })
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class DelegatedProperty extends AbstractWriteFlagsTest {
+        public void testAllFilesPresentInDelegatedProperty() throws Exception {
+            JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/writeFlags/delegatedProperty"), Pattern.compile("^(.+)\\.kt$"), true);
+        }
+
+        @TestMetadata("compiler/testData/writeFlags/delegatedProperty/visibility")
+        @TestDataPath("$PROJECT_ROOT")
+        @RunWith(JUnit3RunnerWithInners.class)
+        public static class Visibility extends AbstractWriteFlagsTest {
+            public void testAllFilesPresentInVisibility() throws Exception {
+                JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/writeFlags/delegatedProperty/visibility"), Pattern.compile("^(.+)\\.kt$"), true);
+            }
+
+            @TestMetadata("privateSet.kt")
+            public void testPrivateSet() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/writeFlags/delegatedProperty/visibility/privateSet.kt");
+                doTest(fileName);
+            }
+        }
+    }
+
     @TestMetadata("compiler/testData/writeFlags/function")
     @TestDataPath("$PROJECT_ROOT")
     @InnerTestClasses({