Move tests/phpunit.xml to project dir

Author: PhrozenByte

.gitignore

@@ -15,5 +15,5 @@ desktop.ini
 /vendor
 
 # PHPUnit
-/tests/.phpunit.result.cache
-/tests/clover.xml
+/.phpunit.result.cache
+/clover.xml

tests/phpunit.xml phpunit.xmltests/phpunit.xml renamed to phpunit.xml

@@ -7,23 +7,23 @@
   ~ This file is copyrighted by the contributors recorded in the version control
   ~ history of the file, available from the following original location:
   ~
-  ~ <https://github.com/PhrozenByte/phpunit-throwable-asserts/blob/master/tests/phpunit.xml>
+  ~ <https://github.com/PhrozenByte/phpunit-throwable-asserts/blob/master/phpunit.xml>
   ~
   ~ @license http://opensource.org/licenses/MIT The MIT License
   ~
   ~ SPDX-License-Identifier: MIT
   ~ License-Filename: LICENSE
   -->
 
-<phpunit bootstrap="../vendor/autoload.php">
+<phpunit bootstrap="./vendor/autoload.php">
 	<testsuites>
 		<testsuite name="phpunit-throwable-asserts">
-			<directory>./Unit</directory>
+			<directory>./tests/Unit</directory>
 		</testsuite>
 	</testsuites>
 	<filter>
 		<whitelist>
-			<directory suffix=".php">../src</directory>
+			<directory suffix=".php">./src</directory>
 		</whitelist>
 	</filter>
 	<logging>