Merge K2 box tests to main box tests

compiler/testData/codegen/box/syntheticExtensions/kt56072.kt

@@ -0,0 +1,32 @@
+// TARGET_BACKEND: JVM
+// FILE: SuperClass.java
+
+public class SuperClass {
+    private String stringParam;
+
+    public SuperClass(String stringParam)
+    {
+        this.stringParam = stringParam;
+    }
+
+    public String getStringParam()
+    {
+        return stringParam;
+    }
+}
+
+// FILE: InheritedClass.java
+
+public class InheritedClass extends SuperClass {
+    public InheritedClass(String stringParam) {
+        super(stringParam);
+    }
+}
+
+// FILE: test.kt
+
+fun box(): String {
+    val superValue = (SuperClass::stringParam)(SuperClass("O"))
+    val inheritedValue = (InheritedClass("K")::stringParam)()
+    return superValue + inheritedValue
+}