diff --git a/4dev/tests/AAASetupData/CoreLibsAAASetupDataTest.php b/4dev/tests/AAASetupData/CoreLibsAAASetupDataTest.php
new file mode 100644
index 00000000..625d0059
--- /dev/null
+++ b/4dev/tests/AAASetupData/CoreLibsAAASetupDataTest.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace tests;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test base setup
+ * @testdox AAASetupData\AAASetupDataTest just setup BASE
+ */
+final class CoreLibsAAASetupDataTest extends TestCase
+{
+	/**
+	 * Covers nothing
+	 *
+	 * @testdox Just setup BASE
+	 *
+	 * @return void
+	 */
+	public function testSetupData(): void
+	{
+		if (!defined('BASE')) {
+			define(
+				'BASE',
+				str_replace('/configs', '', __DIR__)
+					. DIRECTORY_SEPARATOR
+			);
+		}
+		$this->assertEquals(
+			str_replace('/configs', '', __DIR__)
+				. DIRECTORY_SEPARATOR,
+			BASE,
+			'BASE Path set check'
+		);
+	}
+}
+
+// __END__
diff --git a/4dev/tests/AAASetupData/includes b/4dev/tests/AAASetupData/includes
new file mode 120000
index 00000000..918e7d32
--- /dev/null
+++ b/4dev/tests/AAASetupData/includes
@@ -0,0 +1 @@
+../Language/includes/
\ No newline at end of file
diff --git a/4dev/tests/AAASetupData/log b/4dev/tests/AAASetupData/log
new file mode 120000
index 00000000..c40e9a4d
--- /dev/null
+++ b/4dev/tests/AAASetupData/log
@@ -0,0 +1 @@
+../Debug/log/
\ No newline at end of file
diff --git a/4dev/tests/CoreLibsACLLoginTest.php b/4dev/tests/ACL/CoreLibsACLLoginTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsACLLoginTest.php
rename to 4dev/tests/ACL/CoreLibsACLLoginTest.php
diff --git a/4dev/tests/CoreLibsACLLogin_database_prepare.sh b/4dev/tests/ACL/CoreLibsACLLogin_database_prepare.sh
similarity index 100%
rename from 4dev/tests/CoreLibsACLLogin_database_prepare.sh
rename to 4dev/tests/ACL/CoreLibsACLLogin_database_prepare.sh
diff --git a/4dev/tests/database/CoreLibsACLLogin_database_create_data.sql b/4dev/tests/ACL/database/CoreLibsACLLogin_database_create_data.sql
similarity index 100%
rename from 4dev/tests/database/CoreLibsACLLogin_database_create_data.sql
rename to 4dev/tests/ACL/database/CoreLibsACLLogin_database_create_data.sql
diff --git a/4dev/tests/log/.gitignore b/4dev/tests/ACL/log/.gitignore
similarity index 100%
rename from 4dev/tests/log/.gitignore
rename to 4dev/tests/ACL/log/.gitignore
diff --git a/4dev/tests/CoreLibsAdminBackendTest.php b/4dev/tests/Admin/CoreLibsAdminBackendTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsAdminBackendTest.php
rename to 4dev/tests/Admin/CoreLibsAdminBackendTest.php
diff --git a/4dev/tests/CoreLibsAdminEditPageTest.php b/4dev/tests/Admin/CoreLibsAdminEditPageTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsAdminEditPageTest.php
rename to 4dev/tests/Admin/CoreLibsAdminEditPageTest.php
diff --git a/4dev/tests/CoreLibsCheckColorsTest.php b/4dev/tests/Check/CoreLibsCheckColorsTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCheckColorsTest.php
rename to 4dev/tests/Check/CoreLibsCheckColorsTest.php
diff --git a/4dev/tests/CoreLibsCheckEmailTest.php b/4dev/tests/Check/CoreLibsCheckEmailTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCheckEmailTest.php
rename to 4dev/tests/Check/CoreLibsCheckEmailTest.php
diff --git a/4dev/tests/CoreLibsCheckEncodingTest.php b/4dev/tests/Check/CoreLibsCheckEncodingTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCheckEncodingTest.php
rename to 4dev/tests/Check/CoreLibsCheckEncodingTest.php
diff --git a/4dev/tests/CoreLibsCheckFileTest.php b/4dev/tests/Check/CoreLibsCheckFileTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCheckFileTest.php
rename to 4dev/tests/Check/CoreLibsCheckFileTest.php
diff --git a/4dev/tests/CoreLibsCheckPasswordTest.php b/4dev/tests/Check/CoreLibsCheckPasswordTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCheckPasswordTest.php
rename to 4dev/tests/Check/CoreLibsCheckPasswordTest.php
diff --git a/4dev/tests/CoreLibsCheckPhpVersionTest.php b/4dev/tests/Check/CoreLibsCheckPhpVersionTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCheckPhpVersionTest.php
rename to 4dev/tests/Check/CoreLibsCheckPhpVersionTest.php
diff --git a/4dev/tests/CoreLibsCombinedArrayHandlerTest.php b/4dev/tests/Combined/CoreLibsCombinedArrayHandlerTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCombinedArrayHandlerTest.php
rename to 4dev/tests/Combined/CoreLibsCombinedArrayHandlerTest.php
diff --git a/4dev/tests/CoreLibsCombinedDateTimeTest.php b/4dev/tests/Combined/CoreLibsCombinedDateTimeTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCombinedDateTimeTest.php
rename to 4dev/tests/Combined/CoreLibsCombinedDateTimeTest.php
diff --git a/4dev/tests/CoreLibsConvertByteTest.php b/4dev/tests/Convert/CoreLibsConvertByteTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertByteTest.php
rename to 4dev/tests/Convert/CoreLibsConvertByteTest.php
diff --git a/4dev/tests/CoreLibsConvertColorsTest.php b/4dev/tests/Convert/CoreLibsConvertColorsTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertColorsTest.php
rename to 4dev/tests/Convert/CoreLibsConvertColorsTest.php
diff --git a/4dev/tests/CoreLibsConvertEncodingTest.php b/4dev/tests/Convert/CoreLibsConvertEncodingTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertEncodingTest.php
rename to 4dev/tests/Convert/CoreLibsConvertEncodingTest.php
diff --git a/4dev/tests/CoreLibsConvertHtmlTest.php b/4dev/tests/Convert/CoreLibsConvertHtmlTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertHtmlTest.php
rename to 4dev/tests/Convert/CoreLibsConvertHtmlTest.php
diff --git a/4dev/tests/CoreLibsConvertJsonTest.php b/4dev/tests/Convert/CoreLibsConvertJsonTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertJsonTest.php
rename to 4dev/tests/Convert/CoreLibsConvertJsonTest.php
diff --git a/4dev/tests/CoreLibsConvertMathTest.php b/4dev/tests/Convert/CoreLibsConvertMathTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertMathTest.php
rename to 4dev/tests/Convert/CoreLibsConvertMathTest.php
diff --git a/4dev/tests/CoreLibsConvertMimeAppNameTest.php b/4dev/tests/Convert/CoreLibsConvertMimeAppNameTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertMimeAppNameTest.php
rename to 4dev/tests/Convert/CoreLibsConvertMimeAppNameTest.php
diff --git a/4dev/tests/CoreLibsConvertMimeEncodeTest.php b/4dev/tests/Convert/CoreLibsConvertMimeEncodeTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertMimeEncodeTest.php
rename to 4dev/tests/Convert/CoreLibsConvertMimeEncodeTest.php
diff --git a/4dev/tests/CoreLibsConvertSetVarTypeNullTest.php b/4dev/tests/Convert/CoreLibsConvertSetVarTypeNullTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertSetVarTypeNullTest.php
rename to 4dev/tests/Convert/CoreLibsConvertSetVarTypeNullTest.php
diff --git a/4dev/tests/CoreLibsConvertSetVarTypeTest.php b/4dev/tests/Convert/CoreLibsConvertSetVarTypeTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertSetVarTypeTest.php
rename to 4dev/tests/Convert/CoreLibsConvertSetVarTypeTest.php
diff --git a/4dev/tests/CoreLibsConvertStringsTest.php b/4dev/tests/Convert/CoreLibsConvertStringsTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsConvertStringsTest.php
rename to 4dev/tests/Convert/CoreLibsConvertStringsTest.php
diff --git a/4dev/tests/CoreLibsCreateEmailTest.php b/4dev/tests/Create/CoreLibsCreateEmailTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCreateEmailTest.php
rename to 4dev/tests/Create/CoreLibsCreateEmailTest.php
diff --git a/4dev/tests/CoreLibsCreateHashTest.php b/4dev/tests/Create/CoreLibsCreateHashTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCreateHashTest.php
rename to 4dev/tests/Create/CoreLibsCreateHashTest.php
diff --git a/4dev/tests/CoreLibsCreateRandomKeyTest.php b/4dev/tests/Create/CoreLibsCreateRandomKeyTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCreateRandomKeyTest.php
rename to 4dev/tests/Create/CoreLibsCreateRandomKeyTest.php
diff --git a/4dev/tests/CoreLibsCreateSessionTest.php b/4dev/tests/Create/CoreLibsCreateSessionTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCreateSessionTest.php
rename to 4dev/tests/Create/CoreLibsCreateSessionTest.php
diff --git a/4dev/tests/CoreLibsCreateUidsTest.php b/4dev/tests/Create/CoreLibsCreateUidsTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsCreateUidsTest.php
rename to 4dev/tests/Create/CoreLibsCreateUidsTest.php
diff --git a/4dev/tests/CoreLibsDBExtendedArrayIOTest.php b/4dev/tests/DB/CoreLibsDBExtendedArrayIOTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsDBExtendedArrayIOTest.php
rename to 4dev/tests/DB/CoreLibsDBExtendedArrayIOTest.php
diff --git a/4dev/tests/CoreLibsDBIOTest.php b/4dev/tests/DB/CoreLibsDBIOTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsDBIOTest.php
rename to 4dev/tests/DB/CoreLibsDBIOTest.php
diff --git a/4dev/tests/CoreLibsDebugFileWriterTest.php b/4dev/tests/Debug/CoreLibsDebugFileWriterTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsDebugFileWriterTest.php
rename to 4dev/tests/Debug/CoreLibsDebugFileWriterTest.php
diff --git a/4dev/tests/CoreLibsDebugLoggingTest.php b/4dev/tests/Debug/CoreLibsDebugLoggingTest.php
similarity index 94%
rename from 4dev/tests/CoreLibsDebugLoggingTest.php
rename to 4dev/tests/Debug/CoreLibsDebugLoggingTest.php
index 21dc3df7..03f3c912 100644
--- a/4dev/tests/CoreLibsDebugLoggingTest.php
+++ b/4dev/tests/Debug/CoreLibsDebugLoggingTest.php
@@ -33,10 +33,10 @@ final class CoreLibsDebugLoggingTest extends TestCase
 		return [
 			'log folder set' => [
 				[
-					'log_folder' => '/tmp'
+					'log_folder' => DIRECTORY_SEPARATOR . 'tmp'
 				],
 				[
-					'log_folder' => '/tmp/',
+					'log_folder' => DIRECTORY_SEPARATOR . 'tmp' . DIRECTORY_SEPARATOR,
 					'debug_all' => false,
 					'print_all' => false,
 				],
@@ -54,27 +54,27 @@ final class CoreLibsDebugLoggingTest extends TestCase
 			'no options set, constant set' => [
 				null,
 				[
-					'log_folder' => str_replace('/configs', '', __DIR__)
-					. DIRECTORY_SEPARATOR . 'log/',
+					'log_folder' => str_replace(DIRECTORY_SEPARATOR . 'configs', '', __DIR__)
+							. DIRECTORY_SEPARATOR . 'log' . DIRECTORY_SEPARATOR,
 					'debug_all' => false,
 					'print_all' => false,
 				],
 				[
 					'constant' => [
-						'BASE' => str_replace('/configs', '', __DIR__)
+						'BASE' => str_replace(DIRECTORY_SEPARATOR . 'configs', '', __DIR__)
 							. DIRECTORY_SEPARATOR,
-						'LOG' => 'log/'
+						'LOG' => 'log' . DIRECTORY_SEPARATOR
 					]
 				]
 			],
 			'standard test set' => [
 				[
-					'log_folder' => '/tmp',
+					'log_folder' => DIRECTORY_SEPARATOR . 'tmp',
 					'debug_all' => true,
 					'print_all' => true,
 				],
 				[
-					'log_folder' => '/tmp/',
+					'log_folder' => DIRECTORY_SEPARATOR . 'tmp' . DIRECTORY_SEPARATOR,
 					'debug_all' => true,
 					'print_all' => true,
 				],
@@ -98,7 +98,22 @@ final class CoreLibsDebugLoggingTest extends TestCase
 	{
 		if (!empty($override['constant'])) {
 			foreach ($override['constant'] as $var => $value) {
-				define($var, $value);
+				if (!defined($var)) {
+					define($var, $value);
+				}
+			}
+			// for deprecated no log_folder set
+			// if base is defined and it does have AAASetupData set
+			// change the log_folder "Debug" to "AAASetupData"
+			if (
+				defined('BASE') &&
+				strpos(BASE, DIRECTORY_SEPARATOR . 'AAASetupData') !== false
+			) {
+				$expected['log_folder'] = str_replace(
+					DIRECTORY_SEPARATOR . 'Debug',
+					DIRECTORY_SEPARATOR . 'AAASetupData',
+					$expected['log_folder']
+				);
 			}
 		}
 		if ($options === null) {
@@ -109,15 +124,18 @@ final class CoreLibsDebugLoggingTest extends TestCase
 		// check that settings match
 		$this->assertEquals(
 			$expected['log_folder'],
-			$log->getSetting('log_folder')
+			$log->getSetting('log_folder'),
+			'log folder not matching'
 		);
 		$this->assertEquals(
 			$expected['debug_all'],
-			$log->getSetting('debug_output_all')
+			$log->getSetting('debug_output_all'),
+			'debug all flag not matching'
 		);
 		$this->assertEquals(
 			$expected['print_all'],
-			$log->getSetting('print_output_all')
+			$log->getSetting('print_output_all'),
+			'print all flag not matching'
 		);
 		// print "LOG: " . $log->getSetting('log_folder') . "\n";
 		// print "DEBUG: " . $log->getSetting('debug_output_all') . "\n";
diff --git a/4dev/tests/CoreLibsDebugMemoryUsageTest.php b/4dev/tests/Debug/CoreLibsDebugMemoryUsageTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsDebugMemoryUsageTest.php
rename to 4dev/tests/Debug/CoreLibsDebugMemoryUsageTest.php
diff --git a/4dev/tests/CoreLibsDebugRunningTimeTest.php b/4dev/tests/Debug/CoreLibsDebugRunningTimeTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsDebugRunningTimeTest.php
rename to 4dev/tests/Debug/CoreLibsDebugRunningTimeTest.php
diff --git a/4dev/tests/CoreLibsDebugSupportTest.php b/4dev/tests/Debug/CoreLibsDebugSupportTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsDebugSupportTest.php
rename to 4dev/tests/Debug/CoreLibsDebugSupportTest.php
diff --git a/4dev/tests/Debug/log/.gitignore b/4dev/tests/Debug/log/.gitignore
new file mode 100644
index 00000000..2a50fc00
--- /dev/null
+++ b/4dev/tests/Debug/log/.gitignore
@@ -0,0 +1,3 @@
+*log
+*LOG
+!.gitignore
diff --git a/4dev/tests/CoreLibsGetDotEnvTest.php b/4dev/tests/Get/CoreLibsGetDotEnvTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsGetDotEnvTest.php
rename to 4dev/tests/Get/CoreLibsGetDotEnvTest.php
diff --git a/4dev/tests/CoreLibsGetSystemTest.php b/4dev/tests/Get/CoreLibsGetSystemTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsGetSystemTest.php
rename to 4dev/tests/Get/CoreLibsGetSystemTest.php
diff --git a/4dev/tests/dotenv/cannot_read.env b/4dev/tests/Get/dotenv/cannot_read.env
similarity index 100%
rename from 4dev/tests/dotenv/cannot_read.env
rename to 4dev/tests/Get/dotenv/cannot_read.env
diff --git a/4dev/tests/dotenv/empty.env b/4dev/tests/Get/dotenv/empty.env
similarity index 100%
rename from 4dev/tests/dotenv/empty.env
rename to 4dev/tests/Get/dotenv/empty.env
diff --git a/4dev/tests/dotenv/test.env b/4dev/tests/Get/dotenv/test.env
similarity index 100%
rename from 4dev/tests/dotenv/test.env
rename to 4dev/tests/Get/dotenv/test.env
diff --git a/4dev/tests/CoreLibsLanguageGetLocaleTest.php b/4dev/tests/Language/CoreLibsLanguageGetLocaleTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsLanguageGetLocaleTest.php
rename to 4dev/tests/Language/CoreLibsLanguageGetLocaleTest.php
diff --git a/4dev/tests/CoreLibsLanguageL10nTest.php b/4dev/tests/Language/CoreLibsLanguageL10nTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsLanguageL10nTest.php
rename to 4dev/tests/Language/CoreLibsLanguageL10nTest.php
diff --git a/4dev/tests/includes/create_po.sh b/4dev/tests/Language/includes/create_po.sh
similarity index 100%
rename from 4dev/tests/includes/create_po.sh
rename to 4dev/tests/Language/includes/create_po.sh
diff --git a/4dev/tests/includes/locale/en_US-admin.po b/4dev/tests/Language/includes/locale/en_US-admin.po
similarity index 100%
rename from 4dev/tests/includes/locale/en_US-admin.po
rename to 4dev/tests/Language/includes/locale/en_US-admin.po
diff --git a/4dev/tests/includes/locale/en_US-frontend.po b/4dev/tests/Language/includes/locale/en_US-frontend.po
similarity index 100%
rename from 4dev/tests/includes/locale/en_US-frontend.po
rename to 4dev/tests/Language/includes/locale/en_US-frontend.po
diff --git a/4dev/tests/includes/locale/en_US/LC_MESSAGES/admin.mo b/4dev/tests/Language/includes/locale/en_US/LC_MESSAGES/admin.mo
similarity index 100%
rename from 4dev/tests/includes/locale/en_US/LC_MESSAGES/admin.mo
rename to 4dev/tests/Language/includes/locale/en_US/LC_MESSAGES/admin.mo
diff --git a/4dev/tests/includes/locale/en_US/LC_MESSAGES/frontend.mo b/4dev/tests/Language/includes/locale/en_US/LC_MESSAGES/frontend.mo
similarity index 100%
rename from 4dev/tests/includes/locale/en_US/LC_MESSAGES/frontend.mo
rename to 4dev/tests/Language/includes/locale/en_US/LC_MESSAGES/frontend.mo
diff --git a/4dev/tests/includes/locale/ja_JP-admin.po b/4dev/tests/Language/includes/locale/ja_JP-admin.po
similarity index 100%
rename from 4dev/tests/includes/locale/ja_JP-admin.po
rename to 4dev/tests/Language/includes/locale/ja_JP-admin.po
diff --git a/4dev/tests/includes/locale/ja_JP-frontend.po b/4dev/tests/Language/includes/locale/ja_JP-frontend.po
similarity index 100%
rename from 4dev/tests/includes/locale/ja_JP-frontend.po
rename to 4dev/tests/Language/includes/locale/ja_JP-frontend.po
diff --git a/4dev/tests/includes/locale/ja_JP/LC_MESSAGES/admin.mo b/4dev/tests/Language/includes/locale/ja_JP/LC_MESSAGES/admin.mo
similarity index 100%
rename from 4dev/tests/includes/locale/ja_JP/LC_MESSAGES/admin.mo
rename to 4dev/tests/Language/includes/locale/ja_JP/LC_MESSAGES/admin.mo
diff --git a/4dev/tests/includes/locale/ja_JP/LC_MESSAGES/frontend.mo b/4dev/tests/Language/includes/locale/ja_JP/LC_MESSAGES/frontend.mo
similarity index 100%
rename from 4dev/tests/includes/locale/ja_JP/LC_MESSAGES/frontend.mo
rename to 4dev/tests/Language/includes/locale/ja_JP/LC_MESSAGES/frontend.mo
diff --git a/4dev/tests/CoreLibsOutputFormElementsTest.php b/4dev/tests/Output/CoreLibsOutputFormElementsTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsOutputFormElementsTest.php
rename to 4dev/tests/Output/CoreLibsOutputFormElementsTest.php
diff --git a/4dev/tests/CoreLibsOutputFormGenerateTest.php b/4dev/tests/Output/CoreLibsOutputFormGenerateTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsOutputFormGenerateTest.php
rename to 4dev/tests/Output/CoreLibsOutputFormGenerateTest.php
diff --git a/4dev/tests/CoreLibsOutputFormTokenTest.php b/4dev/tests/Output/CoreLibsOutputFormTokenTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsOutputFormTokenTest.php
rename to 4dev/tests/Output/CoreLibsOutputFormTokenTest.php
diff --git a/4dev/tests/CoreLibsOutputImageTest.php b/4dev/tests/Output/CoreLibsOutputImageTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsOutputImageTest.php
rename to 4dev/tests/Output/CoreLibsOutputImageTest.php
diff --git a/4dev/tests/CoreLibsOutputProgressbarTest.php b/4dev/tests/Output/CoreLibsOutputProgressbarTest.php
similarity index 100%
rename from 4dev/tests/CoreLibsOutputProgressbarTest.php
rename to 4dev/tests/Output/CoreLibsOutputProgressbarTest.php
diff --git a/4dev/tests/dotenv/.env b/4dev/tests/dotenv/.env
deleted file mode 120000
index a67af1f7..00000000
--- a/4dev/tests/dotenv/.env
+++ /dev/null
@@ -1 +0,0 @@
-test.env
\ No newline at end of file