Tweak phpunit configuration and fix mocking errors

phpunit.xml.dist

@@ -1,8 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<phpunit colors="true" strict="true" bootstrap="vendor/autoload.php">
+<phpunit
+        colors="true"
+        checkForUnintentionallyCoveredCode="true"
+        beStrictAboutOutputDuringTests="true"
+        forceCoversAnnotation="true"
+        verbose="true"
+        bootstrap="vendor/autoload.php"
+        >
   <testsuites>
-    <testsuite name="phpDocumentor\Reflection\DocBlock">
+    <testsuite name="unit">
       <directory>./tests/</directory>
     </testsuite>
   </testsuites>
@@ -14,4 +21,10 @@
       <directory>./vendor/</directory>
     </blacklist>
   </filter>
+  <listeners>
+    <listener
+            class="Mockery\Adapter\Phpunit\TestListener"
+            file="vendor/mockery/mockery/library/Mockery/Adapter/Phpunit/TestListener.php"
+            />
+  </listeners>
 </phpunit>