Add test for number of loaded database drivers

schemacrawler-chatgpt/src/main/java/schemacrawler/tools/command/chatgpt/functions/TableReferencesFunctionReturn.java

@@ -63,7 +63,7 @@ public String get() {
       case CHILD:
         return renderTableRelationships(TableReferenceType.CHILD);
       case ALL:
-        // Fall-through
+      // Fall-through
       default:
         return renderTableRelationships(TableReferenceType.PARENT)
             + NEW_LINE

schemacrawler-dbtest/src/test/java/schemacrawler/integration/test/DatabaseDriverTest.java

@@ -0,0 +1,21 @@
+package schemacrawler.integration.test;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import java.sql.Driver;
+import java.util.Collection;
+import org.junit.jupiter.api.Test;
+import us.fatehi.utility.database.DatabaseUtility;
+
+public class DatabaseDriverTest {
+
+  @Test
+  public void availableJDBCDrivers() throws Exception {
+    final Collection<Driver> availableJDBCDrivers = DatabaseUtility.getAvailableJdbcDrivers();
+    final int numJDBCDrivers = availableJDBCDrivers.size();
+    assertThat(
+        "Number of of avilable JDBC drivers is not correct - found " + numJDBCDrivers,
+        numJDBCDrivers == 20,
+        is(true));
+  }
+}

schemacrawler-offline/src/main/java/schemacrawler/tools/offline/jdbc/OfflineConnectionUtility.java

@@ -84,7 +84,7 @@ public Object invoke(final Object proxy, final Method method, final Object[] arg
             final OfflineConnection otherOfflineConnection = (OfflineConnection) args[0];
             return otherOfflineConnection.hashCode() == offlineDatabasePath.hashCode();
           }
-          // Fall through
+        // Fall through
         default:
           throw new SQLFeatureNotSupportedException(
               String.format(