update ci settings

Author: mmasiukevich

phpunit.xml

@@ -30,10 +30,9 @@
 
     <filter>
         <whitelist>
-            <directory>./</directory>
+            <directory>./src</directory>
             <exclude>
                 <directory>./tests</directory>
-                <directory>./vendor</directory>
             </exclude>
         </whitelist>
     </filter>