fix: Reduce High severity issues reported by SonarCloud #2865 (#3103)

* fix: add UnsupportedOperationException in KingsHand and GameLoopTest

* refactor: update DatabaseService to use constant for BINARY_DATA and remove obsolete test files

* refactor: update timePasses method in KingsHand

* refactor CandyGame.java

* refactor: simplify boundary checks in CandyGame

* feat: add getters for type and points in Candy class and initialize logger in CandyGame

* remove class and logger initialization in CandyGame

* Modify CandyGame.java

* fix Checkstyle violations

* Remove generic wildcard type in ThreatAwareSystem

game-loop/src/test/java/com/iluwatar/gameloop/GameLoopTest.java

@@ -24,10 +24,9 @@
  */
 package com.iluwatar.gameloop;
 
-import static org.junit.jupiter.api.Assertions.assertFalse;
-
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
@@ -46,6 +45,7 @@ class GameLoopTest {
     gameLoop = new GameLoop() {
       @Override
       protected void processGameLoop() {
+        throw new UnsupportedOperationException("Not supported yet.");
       }
     };
   }