enforce lowercase file names in TestGenerator

Author: PhilippSalvisberg

sqldev/src/main/java/org/utplsql/sqldev/oddgen/TestGenerator.java

@@ -251,8 +251,9 @@ public String generateProlog(final Connection conn, final List<Node> nodes) {
             context.setConn(conn);
             final TestTemplate testTemplate = new TestTemplate(context);
             if (generateFiles) {
-                final String packageName = context.getTestPackagePrefix() + nodeTools.toObjectName(node)
-                        + context.getTestPackageSuffix();
+                final String packageName = context.getTestPackagePrefix().toLowerCase()
+                        + nodeTools.toObjectName(node).toLowerCase()
+                        + context.getTestPackageSuffix().toLowerCase();
                 final String packagePath = outputDirectory + File.separator + packageName;
                 saveConsoleOutput(templateTools.writeToFile(packagePath + ".pks", testTemplate.generateSpec()));
                 saveConsoleOutput(templateTools.writeToFile(packagePath + ".pkb", testTemplate.generateBody()));