PlayerRandom.java class contents: package ca$.$yorku.eecs$3311.$a$1$; import java.util.ArrayList; import java.util.Random; $/***$ PlayerRandom makes a move by first determining all possible moves that this $*$ player can make, putting them in an ArrayList, and then randomly choosing one $*$ of them. $**$ @author ilir $**/$ public class PlayerRandom $\{$ private Random rand $=$ new Random$()$; public Move getMove$()\{$ return null; $\}\}$ The test cases are saved in three classes. The test case classes are: MoveTest.java, OthelloBoardTest.java and OthelloTest.java. Don't change those test case classes but use them as a reference to understand how to modify and implement those $10$ classes to test all of these test cases below. MoveTest.java class contents which shouldn't be changed: package ca$.$yorku.eecs$3311.$a$1$test; import static org.junit.Assert.$*$; import org.junit.Test; import static org.junit.Assert.$*$; import org.junit.Before; import org.junit.Test; import ca$.$yorku.eecs$3311.$a$1.$Move; public class MoveTest $\{$ Move move; @Before public void setUp$()$ throws Exception $\{$ move$=$new Move$(3,5)$; $\}$ @Test public void testGetRow$()\{$ assertEquals$("$getRow$",$ move.getRow$(),3)$; $\}$ @Test public void testGetCol$()\{$ assertEquals$("$getCol$",$ move.getCol$(),5)$; $\}$ @Test public void testToString$()\{$ assertEquals$("$toString$",$ move.toString$(),"(3,5)")$; $\}\}$ OthelloBoardTest.java class contents which shouldn't be changed: package ca$.$yorku.eecs$3311.$a$1$test; import static org.junit.Assert.$*$; import org.junit.Before; import org.junit.Test; import ca$.$yorku.eecs$3311.$a$1.$Move; import ca$.$yorku.eecs$3311.$a$1.$Othello; import ca$.$yorku.eecs$3311.$a$1.$OthelloBoard; public class OthelloBoardTest $\{$ OthelloBoard board; Move$[]$ moves $=\{$ new Move$(2,4),$ new Move$(2,5),$ new Move$(2,6),$ new Move$(2,3),$ new Move$(2,2),$ new Move$(3,2),$ new Move$(4,2),$ new Move$(5,4),$ new Move$(6,4)\}$; @Before public void setUp$()$ throws Exception $\{$ board$=$new OthelloBoard$($Othello$.$DIMENSION$)$; $//8$x$8$ board board.move$(2,4,$ OthelloBoard.P$1)$; board.move$(2,5,$ OthelloBoard.P$2)$; board.move$(2,6,$ OthelloBoard.P$1)$; board.move$(2,3,$ OthelloBoard.P$2)$; $//$ Board now looks like $//01234567//+-+-+-+-+-+-+-+-+//0|||||||||0//+-+-+-+-+-+-+-+-+//1|||||||||1//+-+-+-+-+-+-+-+-+//2||||$O$|$X$|$X$|$X$||2//+-+-+-+-+-+-+-+-+//3||||$O$|$O$||||3//+-+-+-+-+-+-+-+-+//4||||$O$|$X$||||4//+-+-+-+-+-+-+-+-+//5|||||||||5//+-+-+-+-+-+-+-+-+//6|||||||||6//+-+-+-+-+-+-+-+-+//7|||||||||7//+-+-+-+-+-+-+-+-+//01234567////$ X:$4$ O:$4$ X moves next $//$ row: col: X makes move $(2,2)////01234567//+-+-+-+-+-+-+-+-+//0|||||||||0//+-+-+-+-+-+-+-+-+//1|||||||||1//+-+-+-+-+-+-+-+-+//2|||$X$|$X$|$X$|$X$|$X$||2//+-+-+-+-+-+-+-+-+//3||||$X$|$O$||||3//+-+-+-+-+-+-+-+-+//4||||$O$|$X$||||4//+-+-+-+-+-+-+-+-+//5|||||||||5//+-+-+-+-+-+-+-+-+//6|||||||||6//+-+-+-+-+-+-+-+-+//7|||||||||7//+-+-+-+-+-+-+-+-+//01234567////$ X:$7$ O:$2$ O moves next $\}$ @Test public void testOthelloBoard$()\{$ OthelloBoard b$=$new OthelloBoard$($Othello$.$DIMENSION$)$; $//$ Check initial position assertEquals$("$Initial tokens P$1",$b$.$get$(3,3),$ OthelloBoard.P$1)$; assertEquals$("$Initial tokens P$1",$b$.$get$(4,4),$ OthelloBoard.P$1)$; assertEquals$("$Initial tokens P$2",$b$.$get$(3,4),$ OthelloBoard.P$2)$; assertEquals$("$Initial tokens P$2",$b$.$get$(4,3),$ OthelloBoard.P$2)$; for$($int row$=0$;row