#663 - re-initialize IntegrationTestHelper before each test class

src/test/java/de/deadlocker8/budgetmaster/integration/helpers/SeleniumTestBase.java

 package de.deadlocker8.budgetmaster.integration.helpers;
 
 import de.deadlocker8.budgetmaster.Main;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.openqa.selenium.WebDriver;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -46,6 +47,12 @@ public abstract class SeleniumTestBase
 		registry.add("spring.datasource.password", postgresDB::getPassword);
 	}
 
+	@BeforeAll
+	static void beforeAll()
+	{
+		isDatabaseAlreadyImported = false;
+	}
+
 	@BeforeEach
 	public void beforeEach()
 	{

src/test/java/de/deadlocker8/budgetmaster/integration/selenium/WhatsNewTest.java

@@ -3,7 +3,6 @@ package de.deadlocker8.budgetmaster.integration.selenium;
 import de.deadlocker8.budgetmaster.authentication.UserService;
 import de.deadlocker8.budgetmaster.integration.helpers.IntegrationTestHelper;
 import de.deadlocker8.budgetmaster.integration.helpers.SeleniumTestBase;
-import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.openqa.selenium.By;
 import org.openqa.selenium.support.ui.ExpectedConditions;