Add removeAllFavs method

app/src/androidTest/java/fr/iutnantes/miar/dndgenerator/api/dnd/models/DnDSheetDBTest.java

 package fr.iutnantes.miar.dndgenerator.api.dnd.models;
 
-import org.junit.After;
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import static org.junit.Assert.*;
 import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import android.content.Context;
-import java.util.ArrayList;
 import java.util.List;
 
 import fr.iutnantes.miar.dndgenerator.api.dnd.DnDSheet;
-import fr.iutnantes.miar.dndgenerator.api.dnd.DnDSheetTest;
-import fr.iutnantes.miar.dndgenerator.api.tenor.GIFArtifact;
 import fr.iutnantes.miar.dndgenerator.api.tenor.GIFObject;
-import fr.iutnantes.miar.dndgenerator.api.tenor.GIFObjectTest;
-import fr.iutnantes.miar.dndgenerator.api.tenor.TenorArgs;
-import fr.iutnantes.miar.dndgenerator.api.tenor.models.GIFArtifactDB;
 
 @RunWith(AndroidJUnit4.class)
 public class DnDSheetDBTest {
@@ -31,9 +23,7 @@ public class DnDSheetDBTest {
     public int dbVersion = DnDSheetDB.DATABASE_VERSION + 1;
 
     public void dropDBs() {
-        new DnDSheetDB(ctx, dbVersion).onClear();
-        new GIFArtifactDB(ctx, dbVersion).onClear();
-        new DnDSavesDB(ctx, dbVersion).onClear();
+        DnDSheet.removeAllFavs(ctx, dbVersion);
     }
 
     @Test

app/src/main/java/fr/iutnantes/miar/dndgenerator/api/dnd/DnDSheet.java

@@ -20,9 +20,11 @@ import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
+import fr.iutnantes.miar.dndgenerator.api.dnd.models.DnDSavesDB;
 import fr.iutnantes.miar.dndgenerator.api.dnd.models.DnDSheetDB;
 import fr.iutnantes.miar.dndgenerator.api.tenor.GIFObject;
 import fr.iutnantes.miar.dndgenerator.api.tenor.TenorArgs;
+import fr.iutnantes.miar.dndgenerator.api.tenor.models.GIFArtifactDB;
 
 /**
  * DnDSheet is a class that represents a D&D character sheet.
@@ -176,6 +178,16 @@ public class DnDSheet implements Serializable {
         return getFavs(ctx, DnDSheetDB.DATABASE_VERSION);
     }
 
+    public static void removeAllFavs(@NonNull Context ctx, int dbVersion) {
+        new DnDSheetDB(ctx, dbVersion).onClear();
+        new GIFArtifactDB(ctx, dbVersion).onClear();
+        new DnDSavesDB(ctx, dbVersion).onClear();
+    }
+
+    public static void removeAllFavs(@NonNull Context ctx) {
+        removeAllFavs(ctx, DnDSheetDB.DATABASE_VERSION);
+    }
+
     /**
      * For write sheet.
      * @return toString