Reorganize test fields in cloneable classes hierarchy.
Create NotCloneableSubclass class.
Tests for cloning of CloneableClass.
Change expected value to 2 in test.
Tests for cloning of CloneableSubclass.
Tests for cloning of NotCloneableSubclass.
Rename test class:
CloningNotCloneableSubclass -> CloningOfNotCloneableSubclass.
Rename test class:
ClassLevelCopyableCloneable -> CopyableCloneableClass.
Actualize default values of properties of CopyableCloneableClass.
Actualize default values of properties of CopyableCloneableClass.
Tests for cloning of CopyableCloneableClass.
Rename test class:
CloningOfCopyableCloneableClass -> CloningOfCopyableCloneableClassTest.
Rename test class:
PropertyLevelCloneable -> PropertyLevelCloneableClass.
Actualize property names and values in PropertyLevelCloneableClass.
Tests for cloning of PropertyLevelCloneableClass.
Rename test class:
PropertyLevelCopyableCloneable -> PropertyLevelCopyableCloneableClass.