Here is an example of what a verifications.xml file can look like:
<verifications>
<files>
<file>
<location>src/main/resources/file1.txt</location>
</file>
<file>
<location>src/main/resources/file2.txt</location>
<contains>aaaabbbb</contains>
</file>
<file>
<location>src/main/resources/file3.txt</location>
<exists>false</exists>
</file>
</files>
</verifications>
This file: