delete backend, starting over

backend/phpunit.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
-         cacheDirectory=".phpunit.cache"
-         executionOrder="depends,defects"
-
-         colors="true">
-    <testsuites>
-        <testsuite name="unit">
-            <directory>tests/Unit</directory>
-        </testsuite>
-    </testsuites>
-    <source>
-        <include>
-            <directory>app</directory>
-        </include>
-    </source>
-</phpunit>