merge

app/src/test/java/sudoku/SudokuSerializerTest.java

@@ -8,6 +8,8 @@ import org.junit.jupiter.api.Test;
 
 import sudoku.io.SudokuPrinter;
 import sudoku.io.SudokuSerializer;
+import sudoku.structure.MultiDoku;
+import sudoku.structure.SudokuFactory;
 
 public class SudokuSerializerTest {
 

app/src/test/java/sudoku/solver/SolverTest.java

@@ -1,8 +1,11 @@
 package sudoku.solver;
 
 import org.junit.jupiter.api.Test;
-import sudoku.*;
 import sudoku.io.SudokuPrinter;
+import sudoku.structure.Cell;
+import sudoku.structure.MultiDoku;
+import sudoku.structure.Sudoku;
+import sudoku.structure.SudokuFactory;
 
 import java.util.List;