Description

If package in which class was put doesn't match its directory, we should usepackageName of containingPsiFile aspackageName for class (and not the directory of containing file).

Fixes#1081

Type of Change

• Bug fix (non-breaking change which fixes an issue)

Manual Scenario

Checked on scenario from#1081 (both when we launch action on misplaced class and when we launch action on method in other class where misplaced class is used) -- tests are generated correctly (although, IDEA can't always correctly handle wrong package).

Checklist (remove irrelevant options):

• The change followed the style guidelines of the UTBot project
• Self-review of the code is passed
• The change contains enough commentaries, particularly in hard-to-understand areas
• New documentation is provided or existed one is altered
• No new warnings
• New tests have been added
• All tests pass locally with my changes