adicionando teste inicial para banco de dados

src/test/java/com/casaculturaqxd/sgec/AppIT.java

@@ -0,0 +1,38 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/UnitTests/JUnit5TestClass.java to edit this template
+ */
+package com.casaculturaqxd.sgec;
+
+import com.casaculturaqxd.sgec.jdbc.DatabasePostgres;
+import java.util.Stack;
+import javafx.stage.Stage;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.fail;
+
+/**
+ *
+ * @author gusta
+ */
+public class AppIT {
+
+    public AppIT() {
+    }
+
+    /**
+     * Test of start method, of class App.
+     */
+    @Test
+    public void testStart() throws Exception {
+        DatabasePostgres db;
+        db = DatabasePostgres.getInstance("URL_TESTE", "USER_NAME_TEST", "PASSWORD_TEST");
+    }
+
+}