Update phpunit.xml.dist

Author: dereuromark

phpunit.xml.dist

@@ -1,18 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="vendor/autoload.php"
+<phpunit
+    colors="true"
+    bootstrap="vendor/autoload.php"
 >
     <testsuites>
-        <testsuite name="All Tests">
-            <directory>tests/TestCase</directory>
+        <testsuite name="plugin-installer">
+            <directory>tests/TestCase/</directory>
         </testsuite>
     </testsuites>