Tests for showing synthetic methods in file structure view

idea/testData/structureView/fileStructure/InheritedSynthesizedFromDataClass.kt

@@ -0,0 +1,12 @@
+data open class TestData(val a: Int) {
+    fun some() {}
+}
+
+class Derived: TestData(1) {
+    val field = component1()
+}
+
+// TODO: show component1, component2 functions?
+// TODO: should equals and hashCode be shown as declared in TestData?
+
+// WITH_INHERITED