diff --git a/test/phpunit/AAASetupData/CoreLibsAAASetupDataTest.php b/test/phpunit/AAASetupData/CoreLibsAAASetupDataTest.php
index 625d005..4200f98 100644
--- a/test/phpunit/AAASetupData/CoreLibsAAASetupDataTest.php
+++ b/test/phpunit/AAASetupData/CoreLibsAAASetupDataTest.php
@@ -12,6 +12,8 @@ use PHPUnit\Framework\TestCase;
  */
 final class CoreLibsAAASetupDataTest extends TestCase
 {
+	public const TIME_ZONE = 'Asia/Tokyo';
+
 	/**
 	 * Covers nothing
 	 *
@@ -34,6 +36,9 @@ final class CoreLibsAAASetupDataTest extends TestCase
 			BASE,
 			'BASE Path set check'
 		);
+
+		// if time zone is not set, errors can happen
+		ini_set('date.timezone', self::TIME_ZONE);
 	}
 }
 
diff --git a/test/phpunit/ACL/CoreLibsACLLogin_database_prepare.sh b/test/phpunit/ACL/CoreLibsACLLogin_database_prepare.sh
index 34b37a7..4cb4115 100755
--- a/test/phpunit/ACL/CoreLibsACLLogin_database_prepare.sh
+++ b/test/phpunit/ACL/CoreLibsACLLogin_database_prepare.sh
@@ -24,25 +24,25 @@ if [ -z "${db_user}" ] || [ -z "${db_name}" ] || [ -z "${db_host}" ]; then
 	exit 2;
 fi;
 # drop database, on error exit with 3
-dropdb -U ${db_user} -h ${db_host} ${db_name} 2>&1;
-if [ $? -ne 0 ]; then
+dropdb -U "${db_user}" -h "${db_host}" "${db_name}" 2>&1;
+if ! $?; then
 	echo 3;
 	exit 3;
 fi;
 # create database, on error exit with 4
-createdb -U ${db_user} -O ${db_user} -h ${db_host} -E utf8 ${db_name} 2>&1;
-if [ $? -ne 0 ]; then
+createdb -U "${db_user}" -O "${db_user}" -h "${db_host}" -E utf8 "${db_name}" 2>&1;
+if ! $?; then
 	echo 4;
 	exit 4;
 fi;
 # if error 5 thrown, test with enabled below
-if [ ! -z "${5}" ]; then
-	psql -U ${db_user} -h ${db_host} -f ${load_sql} ${db_name};
+if [ -n "${5}" ]; then
+	psql -U "${db_user}" -h "${db_host}" -f "${load_sql}" "${db_name}";
 else
 	# load data (redirect ALL error to null), on error exit with 5
-	psql -U ${db_user} -h ${db_host} -f ${load_sql} ${db_name} 2>&1 1>/dev/null 2>/dev/null;
+	psql -U "${db_user}" -h "${db_host}" -f "${load_sql}" "${db_name}" 2>&1 1>/dev/null 2>/dev/null;
 fi;
-if [ $? -ne 0 ]; then
+if ! $?; then
 	echo 5;
 	exit 5;
 fi;
diff --git a/test/phpunit/Combined/CoreLibsCombinedDateTimeTest.php b/test/phpunit/Combined/CoreLibsCombinedDateTimeTest.php
index fa54787..e32baae 100644
--- a/test/phpunit/Combined/CoreLibsCombinedDateTimeTest.php
+++ b/test/phpunit/Combined/CoreLibsCombinedDateTimeTest.php
@@ -1,4 +1,4 @@
-<?php
+<?php // phpcs:disable Generic.Files.LineLength
 
 declare(strict_types=1);
 
@@ -71,15 +71,16 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 	 *
 	 * @covers ::dateStringFormat
 	 * @dataProvider timestampProvider
-	 * @testdox dateStringFormat $input (microtime $flag) will be $expected [$_dataName]
+	 * @testdox dateStringFormat $input (mt $flag_show_micro, float mt $flag_micro_as_float) will be $expected [$_dataName]
 	 *
 	 * @param int|float $input
-	 * @param bool      $flag
+	 * @param bool      $flag_show_micro
+	 * @param bool      $flag_micro_as_float
 	 * @param string    $expected
 	 * @return void
 	 */
 	public function testDateStringFormat(
-		$input,
+		int|float $input,
 		bool $flag_show_micro,
 		bool $flag_micro_as_float,
 		string $expected
diff --git a/test/phpunit/Debug/CoreLibsDebugSupportTest.php b/test/phpunit/Debug/CoreLibsDebugSupportTest.php
index cdc050a..c9ec9c2 100644
--- a/test/phpunit/Debug/CoreLibsDebugSupportTest.php
+++ b/test/phpunit/Debug/CoreLibsDebugSupportTest.php
@@ -48,8 +48,8 @@ final class CoreLibsDebugSupportTest extends TestCase
 	 * @dataProvider printTimeProvider
 	 * @testdox printTime test with $microtime and match to regex [$_dataName]
 	 *
-	 * @param int|null $mircrotime
-	 * @param string $expected
+	 * @param ?int $microtime
+	 * @param string $regex
 	 * @return void
 	 */
 	public function testPrintTime(?int $microtime, string $regex): void
@@ -460,7 +460,6 @@ final class CoreLibsDebugSupportTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @cover ::getCallerFileLine
-	 * @testWith ["vendor/phpunit/phpunit/src/Framework/TestCase.php:6434","phar:///home/clemens/.phive/phars/phpunit-9.6.13.phar/phpunit/Framework/TestCase.php:6434"]
 	 * @testdox getCallerFileLine check based on regex .../Framework/TestCase.php:\d+ [$_dataName]
 	 *
 	 * @return void
@@ -470,10 +469,13 @@ final class CoreLibsDebugSupportTest extends TestCase
 		// regex prefix with path "/../" and then fixed vendor + \d+
 		// or phar start if phiev installed
 		// phar:///home/clemens/.phive/phars/phpunit-9.6.13.phar/phpunit/Framework/TestCase.php
+		// phar:///usr/local/bin/phpunit/phpunit/Framework/TestCase.php
 		$regex = "/^("
 			. "\/.*\/vendor\/phpunit\/phpunit\/src"
 			. "|"
 			. "phar:\/\/\/.*\.phive\/phars\/phpunit-\d+\.\d+\.\d+\.phar\/phpunit"
+			. "|"
+			. "phar:\/\/\/usr\/local\/bin\/phpunit\/phpunit"
 			. ")"
 			. "\/Framework\/TestCase.php:\d+$/";
 		$this->assertMatchesRegularExpression(
@@ -522,7 +524,7 @@ final class CoreLibsDebugSupportTest extends TestCase
 				$this->assertEquals(
 					$expected,
 					$compare,
-					'assert expected 10'
+					'assert expected 10: ' . print_r($compare, true)
 				);
 				break;
 			case 11:
@@ -545,7 +547,7 @@ final class CoreLibsDebugSupportTest extends TestCase
 				$this->assertEquals(
 					$expected,
 					$compare,
-					'assert expected 11'
+					'assert expected 11: ' . print_r($compare, true)
 				);
 				break;
 			case 12:
@@ -565,7 +567,7 @@ final class CoreLibsDebugSupportTest extends TestCase
 				$this->assertEquals(
 					$expected,
 					$compare,
-					'assert expected 12'
+					'assert expected 12: ' . print_r($compare, true)
 				);
 				break;
 			default:
@@ -589,7 +591,7 @@ final class CoreLibsDebugSupportTest extends TestCase
 		if ($call_stack < 8) {
 			$this->assertFalse(true, 'getCallStack too low: 8');
 		} else {
-			$this->assertTrue(true, 'getCallSteck ok');
+			$this->assertTrue(true, 'getCallStack ok');
 		}
 		// just test top entry
 		$first = array_shift($call_stack);