Add testdata from intellij for cls stub building tests and generate tests

compiler/psi/cls-psi-file-stub-builder/testData/clsFileStubBuilder/ClassObject/ClassObject.kt

@@ -0,0 +1,41 @@
+package test.class_object
+
+class ClassObject {
+    fun f() {
+    }
+
+    val c = 1
+
+    public companion object {
+        val j = 0
+        fun z() = 0
+
+        class A {
+            class B {
+                val i: Int = 0
+                fun f() = 0
+            }
+        }
+    }
+
+
+    class B {
+        companion object {
+            class C {
+                companion object {
+                    class D {
+                        companion object {
+                            val i = 3
+                            fun f() {
+                            }
+
+                            enum class En
+
+                            annotation class Anno
+                        }
+                    }
+                }
+            }
+        }
+    }
+}