phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
  <coverage processUncoveredFiles="true">
    <include>
      <directory suffix=".php">./smtp2go</directory>
    </include>
  </coverage>
  <php>
    <const name="SMTP2GO_API_KEY" value="api-XXX"/>
    <const name="SMTP2GO_TEST_RECIPIENT" value="Name &lt;Name+recipient@yourdomain.com&gt;"/>
    <const name="SMTP2GO_TEST_RECIPIENT_NAME" value="Name"/>
    <const name="SMTP2GO_TEST_RECIPIENT_EMAIL" value="Name+recipient@yourdomain.com"/>
    <const name="SMTP2GO_TEST_SENDER" value="Automated Test Sender &lt;Name+sender@yourdomain.com&gt;"/>
    <const name="SMTP2GO_TEST_SENDER_NAME" value="Automated Test Sender"/>
    <const name="SMTP2GO_TEST_SENDER_EMAIL" value="Name+sender@yourdomain.com"/>
  </php>
</phpunit>