diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6020e96..2c83202 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.PHP }}
-          coverage: xdebug
+          coverage: pcov
           tools: composer:v2
 
       - name: CI-Bootstrap
diff --git a/.gitignore b/.gitignore
index 6667882..4105b00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
+.Build
 .buildpath
 .project
 .settings/
-.Build
\ No newline at end of file
+composer.lock
diff --git a/Build/Test/phpunit.xml b/Build/Test/phpunit.xml
index 7ace0f9..15f5020 100644
--- a/Build/Test/phpunit.xml
+++ b/Build/Test/phpunit.xml
@@ -1,27 +1,27 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
-         bootstrap="../../.Build/vendor/autoload.php"
-         backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertWarningsToExceptions="true"
-         forceCoversAnnotation="false"
-         processIsolation="false"
-         stopOnError="true"
-         stopOnFailure="true"
-         stopOnIncomplete="false"
-         stopOnSkipped="false"
-         verbose="false"
+	bootstrap="../../.Build/vendor/autoload.php"
+	backupGlobals="false"
+	backupStaticAttributes="false"
+	colors="true"
+	convertErrorsToExceptions="true"
+	convertWarningsToExceptions="true"
+	forceCoversAnnotation="false"
+	processIsolation="false"
+	stopOnError="false"
+	stopOnFailure="false"
+	stopOnIncomplete="false"
+	stopOnSkipped="false"
+	verbose="false"
 >
-    <coverage processUncoveredFiles="false">
-        <include>
-            <directory suffix=".php">../../Classes/</directory>
-        </include>
-    </coverage>
-    <testsuites>
-        <testsuite name="php-solr-explain-unit-tests">
-            <directory suffix="TestCase.php">../../Tests/</directory>
-        </testsuite>
-    </testsuites>
+	<coverage processUncoveredFiles="false">
+		<include>
+			<directory suffix=".php">../../Classes/</directory>
+		</include>
+	</coverage>
+	<testsuites>
+		<testsuite name="php-solr-explain-unit-tests">
+			<directory suffix="TestCase.php">../../Tests/</directory>
+		</testsuite>
+	</testsuites>
 </phpunit>
diff --git a/Tests/Domain/AbstractSolrTestCase.php b/Tests/Domain/AbstractSolrTestCase.php
index 19cdebf..031b635 100644
--- a/Tests/Domain/AbstractSolrTestCase.php
+++ b/Tests/Domain/AbstractSolrTestCase.php
@@ -6,7 +6,6 @@
 
 abstract class AbstractSolrTest extends TestCase
 {
-
 	/**
 	 * Helper method to get the path of a "fixtures" folder that is relative to the current class folder.
 	 *
@@ -31,4 +30,4 @@ protected function getFixtureContent($fixtureFilename)
 		return file_get_contents($this->getTestFixturePath().$fixtureFilename);
 	}
 
-}
\ No newline at end of file
+}
diff --git a/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php b/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php
index 6acbae0..e70da97 100644
--- a/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php
+++ b/Tests/Domain/Result/Explanation/ExplainServiceTestCase.php
@@ -48,7 +48,7 @@ public function testCanNotCreateEmptyNodes()
     /**
      * @test
      */
-    public function testCanParseSynonymeNodes()
+    public function testCanParseSynonymNodes()
     {
         $content 	= $this->getFixtureContent('6.6.001.txt');
         $result 	= ExplainService::getFieldImpactsFromRawContent(
@@ -58,10 +58,10 @@ public function testCanParseSynonymeNodes()
         );
 
         $expectedResult = [
-            'keywords' => 8.2394580648419,
-            'description' => 2.1925963619964,
-            'tagsH1' => 8.539163146877,
-            'content' => 81.028780249768
+            'keywords' => 8.239458064841905,
+            'description' => 2.1925963619964572,
+            'tagsH1' => 8.539163146876982,
+            'content' => 81.02878024976832,
         ];
 
         $this->assertEquals($expectedResult, $result);
diff --git a/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php b/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php
index dc78d0a..a0730be 100644
--- a/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php
+++ b/Tests/Domain/Result/Explanation/ExplanationSolr3TestCase.php
@@ -56,8 +56,8 @@ public function testFixture001GetImpact()
 			// 0.5044475 * 73,582959599 = 37,118740012 / 2 => 18,559370006
 			// 0.8545628 * 73,582959599 = 62,881259988 / 2 => 31,440629994
 
-		$this->assertEquals(18.559370006246,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
-		$this->assertEquals(31.440629993754,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(1)->getAbsoluteImpactPercentage());
+		$this->assertEquals(18.55937000624646,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(0)->getAbsoluteImpactPercentage());
+		$this->assertEquals(31.440629993753543,$explain->getRootNode()->getChild(0)->getChild(0)->getChild(0)->getChild(1)->getAbsoluteImpactPercentage());
 		$this->assertEquals(Explain::NODE_TYPE_MAX,$explain->getRootNode()->getChild(0)->getChild(0)->getNodeType());
 	}
 
@@ -108,4 +108,4 @@ public function testFixture005()
 		$this->assertEquals(5.8746934,$explain->getRootNode()->getScore());
 		$this->assertEquals(2, $explain->getChildren()->count());
 	}
-}
\ No newline at end of file
+}
diff --git a/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php b/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php
index 7f2c9e0..c43a3f4 100644
--- a/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php
+++ b/Tests/Domain/Result/Explanation/Visitors/SummarizeFieldImpactsTestCase.php
@@ -49,7 +49,7 @@ public function testCanSummarizeFieldImpactFixture003()
 		$visitor = new SummarizeFieldImpacts();
 		$explain->getRootNode()->visitNodes($visitor);
 
-		$this->assertEquals(95.756597168764,$visitor->getFieldImpact('price'));
+		$this->assertEquals(95.75659716876356,$visitor->getFieldImpact('price'));
 		$this->assertEquals(['name','manu','price'],$visitor->getRelevantFieldNames());
 	}