[SLC] add tests on private object

^KT-56441

compiler/testData/asJava/lightClasses/lightClassByFqName/PrivateObject.descriptors.java

@@ -0,0 +1,27 @@
+final class PrivateObject /* one.PrivateObject*/ {
+  @org.jetbrains.annotations.NotNull()
+  private static java.lang.String privateProperty;
+
+  @org.jetbrains.annotations.NotNull()
+  public static final one.PrivateObject INSTANCE;
+
+  private static boolean internalProperty;
+
+  private static int publicProperty;
+
+  private  PrivateObject();//  .ctor()
+
+  private final void privateFun();//  privateFun()
+
+  public final boolean getInternalProperty$test_module();//  getInternalProperty$test_module()
+
+  public final int getPublicProperty();//  getPublicProperty()
+
+  public final void internalFun$test_module();//  internalFun$test_module()
+
+  public final void publicFun();//  publicFun()
+
+  public final void setInternalProperty$test_module(boolean);//  setInternalProperty$test_module(boolean)
+
+  public final void setPublicProperty(int);//  setPublicProperty(int)
+}

compiler/testData/asJava/lightClasses/lightClassByFqName/PrivateObject.java

@@ -0,0 +1,27 @@
+final class PrivateObject /* one.PrivateObject*/ {
+  @org.jetbrains.annotations.NotNull()
+  private static final one.PrivateObject INSTANCE;
+
+  @org.jetbrains.annotations.NotNull()
+  private static java.lang.String privateProperty = "" /* initializer type: java.lang.String */;
+
+  private static boolean internalProperty = false /* initializer type: boolean */;
+
+  private static int publicProperty = 4 /* initializer type: int */;
+
+  private  PrivateObject();//  .ctor()
+
+  private final void privateFun();//  privateFun()
+
+  public final boolean getInternalProperty$light_idea_test_case();//  getInternalProperty$light_idea_test_case()
+
+  public final int getPublicProperty();//  getPublicProperty()
+
+  public final void internalFun$light_idea_test_case();//  internalFun$light_idea_test_case()
+
+  public final void publicFun();//  publicFun()
+
+  public final void setInternalProperty$light_idea_test_case(boolean);//  setInternalProperty$light_idea_test_case(boolean)
+
+  public final void setPublicProperty(int);//  setPublicProperty(int)
+}

compiler/testData/asJava/lightClasses/lightClassByFqName/PrivateObject.kt

@@ -0,0 +1,12 @@
+// one.PrivateObject
+package one
+
+private object PrivateObject {
+    var publicProperty = 4
+    internal var internalProperty = false
+    private var privateProperty = ""
+
+    fun publicFun() {}
+    internal fun internalFun() {}
+    private fun privateFun() {}
+}

compiler/testData/asJava/lightClasses/lightClassByFqName/PrivateObject.lib.java

@@ -0,0 +1,27 @@
+final class PrivateObject /* one.PrivateObject*/ {
+  @org.jetbrains.annotations.NotNull()
+  private static java.lang.String privateProperty;
+
+  @org.jetbrains.annotations.NotNull()
+  public static final one.PrivateObject INSTANCE;
+
+  private static boolean internalProperty;
+
+  private static int publicProperty;
+
+  private  PrivateObject();//  .ctor()
+
+  private final void privateFun();//  privateFun()
+
+  public final boolean getInternalProperty$main();//  getInternalProperty$main()
+
+  public final int getPublicProperty();//  getPublicProperty()
+
+  public final void internalFun$main();//  internalFun$main()
+
+  public final void publicFun();//  publicFun()
+
+  public final void setInternalProperty$main(boolean);//  setInternalProperty$main(boolean)
+
+  public final void setPublicProperty(int);//  setPublicProperty(int)
+}