diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 953430e..ca6222b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,15 +32,13 @@ jobs:
 
       - name: Run test suite
         run: |
-          mkdir -p ./coverage/php-${{ matrix.php-version }}
-          ./vendor/bin/phpunit --configuration ./phpunit-${{ matrix.php-version }}.xml --coverage-clover ./coverage/php-${{ matrix.php-version }}/coverage.clover --coverage-html ./coverage/php-${{ matrix.php-version }}/html/
-
-      - name: Get current date/time
-        id: date
-        run: echo "::set-output name=date::$(date +'%Y%m%d-%H%M')"
+          mkdir ./coverage
+          php -v > ./coverage/php${{ matrix.php-version }}_output.txt && echo '' >> ./coverage/php${{ matrix.php-version }}_output.txt
+          ./vendor/bin/phpunit --configuration ./tests/phpunit-${{ matrix.php-version }}.xml --coverage-clover ./coverage/php${{ matrix.php-version }}_coverage.clover >> ./coverage/php${{ matrix.php-version }}_output.txt
+          cat ./coverage/php${{ matrix.php-version }}_output.txt
 
       - name: Save coverage results
         uses: actions/upload-artifact@v3
         with:
-          name: coverage_php-array-to-xml_${{ steps.date.outputs.date }}
+          name: coverage_clover_php-array-to-xml
           path: ./coverage
diff --git a/README.md b/README.md
index 0a19679..02b9793 100644
--- a/README.md
+++ b/README.md
@@ -456,3 +456,15 @@ Result (prettified):
   <RealNull>__NULL__</RealNull>
 </root>
 ```
+
+# PHPUnit Tests
+Use a specific configuration file, depending on your php version:
+```
+./vendor/bin/phpunit --configuration ./tests/phpunit-7.0.xml
+./vendor/bin/phpunit --configuration ./tests/phpunit-7.1.xml
+./vendor/bin/phpunit --configuration ./tests/phpunit-7.2.xml
+./vendor/bin/phpunit --configuration ./tests/phpunit-7.3.xml
+./vendor/bin/phpunit --configuration ./tests/phpunit-7.4.xml
+./vendor/bin/phpunit --configuration ./tests/phpunit-8.0.xml
+./vendor/bin/phpunit --configuration ./tests/phpunit-8.1.xml
+```
diff --git a/phpunit.xml b/phpunit.xml
deleted file mode 100644
index 528ae91..0000000
--- a/phpunit.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- PHPUnit 9	>= PHP 7.3 (https://phpunit.de/supported-versions.html) -->
-<phpunit
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        backupGlobals="false"
-        backupStaticAttributes="false"
-        bootstrap="vendor/autoload.php"
-        colors="true"
-        convertErrorsToExceptions="true"
-        convertNoticesToExceptions="true"
-        convertWarningsToExceptions="true"
-        processIsolation="false"
-        stopOnFailure="false"
-        cacheResult ="false"
-        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
-  <coverage>
-    <include>
-      <directory>./src</directory>
-    </include>
-    <exclude>
-      <directory>./vendor</directory>
-      <directory>./tests</directory>
-    </exclude>
-  </coverage>
-  <testsuites>
-    <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
-    </testsuite>
-  </testsuites>
-</phpunit>
diff --git a/phpunit-7.0.xml b/tests/phpunit-7.0.xml
similarity index 75%
rename from phpunit-7.0.xml
rename to tests/phpunit-7.0.xml
index 81cca98..1cfd691 100644
--- a/phpunit-7.0.xml
+++ b/tests/phpunit-7.0.xml
@@ -2,7 +2,7 @@
 <!-- PHPUnit 6	PHP 7.0 - PHP 7.2 (https://phpunit.de/supported-versions.html) -->
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
+         bootstrap="./../vendor/autoload.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
@@ -10,21 +10,18 @@
          processIsolation="false"
          stopOnFailure="false"
          syntaxCheck="false">
-
   <filter>
     <whitelist>
-      <directory>./src</directory>
+      <directory>./../src</directory>
       <exclude>
-        <directory>./vendor</directory>
-        <directory>./tests</directory>
+        <directory>./../vendor</directory>
+        <directory>./../tests</directory>
       </exclude>
     </whitelist>
   </filter>
-
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
-
 </phpunit>
\ No newline at end of file
diff --git a/phpunit-7.1.xml b/tests/phpunit-7.1.xml
similarity index 74%
rename from phpunit-7.1.xml
rename to tests/phpunit-7.1.xml
index b775b6c..2f0f1a2 100644
--- a/phpunit-7.1.xml
+++ b/tests/phpunit-7.1.xml
@@ -2,28 +2,25 @@
 <!-- PHPUnit 7	PHP 7.1 - PHP 7.3 (https://phpunit.de/supported-versions.html) -->
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
+         bootstrap="./../vendor/autoload.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false">
-
   <filter>
     <whitelist>
-      <directory>./src</directory>
+      <directory>./../src</directory>
       <exclude>
-        <directory>./vendor</directory>
-        <directory>./tests</directory>
+        <directory>./../vendor</directory>
+        <directory>./../tests</directory>
       </exclude>
     </whitelist>
   </filter>
-
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
-
 </phpunit>
\ No newline at end of file
diff --git a/phpunit-7.2.xml b/tests/phpunit-7.2.xml
similarity index 74%
rename from phpunit-7.2.xml
rename to tests/phpunit-7.2.xml
index 281b609..d42256d 100644
--- a/phpunit-7.2.xml
+++ b/tests/phpunit-7.2.xml
@@ -2,28 +2,25 @@
 <!-- PHPUnit 8	>= PHP 7.2 (https://phpunit.de/supported-versions.html) -->
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
+         bootstrap="./../vendor/autoload.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false">
-
   <filter>
     <whitelist>
-      <directory>./src</directory>
+      <directory>./../src</directory>
       <exclude>
-        <directory>./vendor</directory>
-        <directory>./tests</directory>
+        <directory>./../vendor</directory>
+        <directory>./../tests</directory>
       </exclude>
     </whitelist>
   </filter>
-
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
-
 </phpunit>
\ No newline at end of file
diff --git a/phpunit-7.3.xml b/tests/phpunit-7.3.xml
similarity index 78%
rename from phpunit-7.3.xml
rename to tests/phpunit-7.3.xml
index 528ae91..299ec13 100644
--- a/phpunit-7.3.xml
+++ b/tests/phpunit-7.3.xml
@@ -4,7 +4,7 @@
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         backupGlobals="false"
         backupStaticAttributes="false"
-        bootstrap="vendor/autoload.php"
+        bootstrap="./../vendor/autoload.php"
         colors="true"
         convertErrorsToExceptions="true"
         convertNoticesToExceptions="true"
@@ -15,16 +15,16 @@
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage>
     <include>
-      <directory>./src</directory>
+      <directory>./../src</directory>
     </include>
     <exclude>
-      <directory>./vendor</directory>
-      <directory>./tests</directory>
+      <directory>./../vendor</directory>
+      <directory>./../tests</directory>
     </exclude>
   </coverage>
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
 </phpunit>
diff --git a/phpunit-7.4.xml b/tests/phpunit-7.4.xml
similarity index 78%
rename from phpunit-7.4.xml
rename to tests/phpunit-7.4.xml
index 528ae91..299ec13 100644
--- a/phpunit-7.4.xml
+++ b/tests/phpunit-7.4.xml
@@ -4,7 +4,7 @@
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         backupGlobals="false"
         backupStaticAttributes="false"
-        bootstrap="vendor/autoload.php"
+        bootstrap="./../vendor/autoload.php"
         colors="true"
         convertErrorsToExceptions="true"
         convertNoticesToExceptions="true"
@@ -15,16 +15,16 @@
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage>
     <include>
-      <directory>./src</directory>
+      <directory>./../src</directory>
     </include>
     <exclude>
-      <directory>./vendor</directory>
-      <directory>./tests</directory>
+      <directory>./../vendor</directory>
+      <directory>./../tests</directory>
     </exclude>
   </coverage>
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
 </phpunit>
diff --git a/phpunit-8.0.xml b/tests/phpunit-8.0.xml
similarity index 78%
rename from phpunit-8.0.xml
rename to tests/phpunit-8.0.xml
index 528ae91..299ec13 100644
--- a/phpunit-8.0.xml
+++ b/tests/phpunit-8.0.xml
@@ -4,7 +4,7 @@
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         backupGlobals="false"
         backupStaticAttributes="false"
-        bootstrap="vendor/autoload.php"
+        bootstrap="./../vendor/autoload.php"
         colors="true"
         convertErrorsToExceptions="true"
         convertNoticesToExceptions="true"
@@ -15,16 +15,16 @@
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage>
     <include>
-      <directory>./src</directory>
+      <directory>./../src</directory>
     </include>
     <exclude>
-      <directory>./vendor</directory>
-      <directory>./tests</directory>
+      <directory>./../vendor</directory>
+      <directory>./../tests</directory>
     </exclude>
   </coverage>
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
 </phpunit>
diff --git a/phpunit-8.1.xml b/tests/phpunit-8.1.xml
similarity index 78%
rename from phpunit-8.1.xml
rename to tests/phpunit-8.1.xml
index 528ae91..299ec13 100644
--- a/phpunit-8.1.xml
+++ b/tests/phpunit-8.1.xml
@@ -4,7 +4,7 @@
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         backupGlobals="false"
         backupStaticAttributes="false"
-        bootstrap="vendor/autoload.php"
+        bootstrap="./../vendor/autoload.php"
         colors="true"
         convertErrorsToExceptions="true"
         convertNoticesToExceptions="true"
@@ -15,16 +15,16 @@
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage>
     <include>
-      <directory>./src</directory>
+      <directory>./../src</directory>
     </include>
     <exclude>
-      <directory>./vendor</directory>
-      <directory>./tests</directory>
+      <directory>./../vendor</directory>
+      <directory>./../tests</directory>
     </exclude>
   </coverage>
   <testsuites>
     <testsuite name="PhpArrayToXml Test Suite">
-      <directory>./tests/</directory>
+      <directory>./../tests/</directory>
     </testsuite>
   </testsuites>
 </phpunit>