Update phpunit.xml.dist

Author: yakeing

tests/phpunit.xml.dist

@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit bootstrap="./bootstrap.php" colors="true">
     <testsuites>
-        <testsuite name="php_session Test Suite">
-            <directory suffix=".php">./php_sessionTest</directory>
+        <testsuite name="Test Suite">
+            <directory suffix=".php">./tests</directory>
         </testsuite>
     </testsuites>
     <filter>
         <whitelist>
-            <directory suffix=".php">../src</directory>
+            <directory suffix=".php">./src</directory>
             <exclude>
-                <directory>../vendor</directory>
+                <directory>./vendor</directory>
             </exclude>
         </whitelist>
     </filter>