Added the missing test.

testing-modules/junit-5/src/test/java/com/baeldung/MultipleExtensionsUnitTest.java

@@ -0,0 +1,28 @@
+package com.baeldung;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import com.baeldung.extensions.EmployeeDatabaseSetupExtension;
+
+public class MultipleExtensionsUnitTest {
+
+    @Order(1)
+    @RegisterExtension
+    static EmployeeDatabaseSetupExtension SECOND_DB =
+            new EmployeeDatabaseSetupExtension("jdbc:h2:mem:DbTwo;DB_CLOSE_DELAY=-1", "org.h2.Driver", "sa", "");
+
+    @Order(0)
+    @RegisterExtension
+    static EmployeeDatabaseSetupExtension FIRST_DB =
+            new EmployeeDatabaseSetupExtension("jdbc:h2:mem:DbOne;DB_CLOSE_DELAY=-1", "org.h2.Driver", "sa", "");
+
+    @RegisterExtension
+    static EmployeeDatabaseSetupExtension LAST_DB =
+            new EmployeeDatabaseSetupExtension("jdbc:h2:mem:DbLast;DB_CLOSE_DELAY=-1", "org.h2.Driver", "sa", "");
+
+    @Test
+    public void justDemonstratingTheIdea() {
+        // empty test
+    }
+}

testing-modules/junit-5/src/test/java/com/baeldung/helpers/EmployeeJdbcDao.java

@@ -19,7 +19,7 @@ public class EmployeeJdbcDao {
     }
 
     public void createTable() throws SQLException {
-        String createQuery = "CREATE TABLE employees(id long primary key, firstName varchar(50))";
+        String createQuery = "CREATE TABLE IF NOT EXISTS employees(id long primary key, firstName varchar(50))";
         PreparedStatement pstmt = con.prepareStatement(createQuery);
 
         pstmt.execute();