Remove excess test template

src/test/java/app/FxTestTemplate.java

@@ -1,44 +0,0 @@
-package app;
-
-import javafx.scene.Node;
-import javafx.stage.Stage;
-import org.junit.jupiter.api.AfterEach;
-import org.junit.jupiter.api.BeforeEach;
-import org.testfx.api.FxToolkit;
-import org.testfx.framework.junit5.ApplicationTest;
-import org.testfx.util.WaitForAsyncUtils;
-
-import java.util.concurrent.TimeoutException;
-
-public class FxTestTemplate extends ApplicationTest {
-
-  private Stage stage;
-
-  @BeforeEach
-  public void runAppToTests() throws Exception {
-    FxToolkit.registerPrimaryStage();
-    FxToolkit.setupApplication(Main::new);
-    FxToolkit.showStage();
-    WaitForAsyncUtils.waitForFxEvents(100);
-  }
-
-  @AfterEach
-  public void stopApp() throws TimeoutException {
-    FxToolkit.cleanupStages();
-  }
-
-  @Override
-  public void start(Stage primaryStage){
-    this.stage = primaryStage;
-    primaryStage.toFront();
-  }
-
-  public Stage getStage() {
-    return stage;
-  }
-
-  public <T extends Node> T find(final String query) {
-    /** TestFX provides many operations to retrieve elements from the loaded GUI. */
-    return lookup(query).query();
-  }
-}