fix: Sonar report - fix blocker and critical ones (#1899)

* update SpatialPartitionBubbles - fix Sonar blocker issue

* fix Sonar critical issue - Define constant instead of duplicating the literal

* fix Sonar critical issue - remove unnecessary default constructor

* fix Sonar critical issue - Define constant instead of duplicating the literal

* fix Sonar critical issue - Define constant instead of duplicating the literal

* fix Sonar critical issue - Define constant instead of duplicating the literal

* fix Sonar critical issue - fix checkstyle issue

* fix Sonar critical issue - fix code smells

* fix Sonar critical issue - fix code smells

* fix Sonar critical issue - fix code smells

* fix sonarbugs - adding test cases for Commander class

* sonar fix - add assert commands in CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar fix - add test cases for CommanderTest

* sonar bug fix & test cases

* sonar bug fix & test cases

* sonar bug fix & test cases

* sonar bug fix & test cases

* sonar bug fix & test cases

* Revert "sonar bug fix & test cases"

This reverts commit 640dd55e35.

* sonar bug fix & test cases

* sonar bug fix & test cases

* sonar bug fix & test cases

* sonar bug fix : avoid Thread.sleep

* sonar bug fix : cleanup Thread.sleep

* sonar bug fix: test commit

* sonar bug fix: test commit

Co-authored-by: Subhrodip Mohanta <hello@subho.xyz>
Co-authored-by: atayal <Ankush_Tayal@intuit.com>

command/src/main/java/com/iluwatar/command/Wizard.java

@@ -36,9 +36,6 @@ public class Wizard {
   private final Deque<Runnable> undoStack = new LinkedList<>();
   private final Deque<Runnable> redoStack = new LinkedList<>();
 
-  public Wizard() {
-  }
-
   /**
    * Cast spell.
    */