fix: fix coverage

Author: migo315

build/phpunit.xml

@@ -3,9 +3,9 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" backupGlobals="false" colors="true"
          bootstrap="../vendor/autoload.php">
-    <coverage>
+    <coverage processUncoveredFiles="true">
         <include>
-            <directory>../src</directory>
+            <directory suffix=".php">../src</directory>
         </include>
         <report>
             <clover outputFile="./logs/clover.xml"/>
@@ -20,4 +20,4 @@
         </testsuite>
     </testsuites>
     <logging/>
-</phpunit>
+</phpunit>