Improve test environment

phpcs-errors:241 phpunit-status:successful

tests/config.xml

@@ -1,14 +1,21 @@
 <phpunit
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/|version|/phpunit.xsd"
-        backupGlobals="true"
+        backupGlobals="false"
         backupStaticAttributes="false"
-        cacheResult="true"
-        cacheTokens="true"
-        colors="false"
+        beStrictAboutChangesToGlobalState="false"
+        beStrictAboutOutputDuringTests="false"
+        beStrictAboutResourceUsageDuringSmallTests="true"
+        beStrictAboutTodoAnnotatedTests="true"
+        beStrictAboutCoversAnnotation="false"
+        cacheResult="false"
+        cacheTokens="false"
+        colors="true"
         convertErrorsToExceptions="false"
-        convertNoticesToExceptions="false"
-        convertWarningsToExceptions="false"
+        convertDeprecationsToExceptions="true"
+        convertNoticesToExceptions="true"
+        convertWarningsToExceptions="true"
+        enforceTimeLimit="true"
         forceCoversAnnotation="false"
         printerClass="PHPUnit\TextUI\ResultPrinter"
         processIsolation="true"
@@ -21,11 +28,10 @@
         timeoutForSmallTests="1"
         timeoutForMediumTests="10"
         timeoutForLargeTests="60"
-        verbose="false">
+        verbose="true">
 	<filter>
 		<whitelist processUncoveredFilesFromWhitelist="true">
-			<directory suffix=".php">../home/</directory>
-			<directory suffix=".php">../inc/</directory>
+			<directory suffix=".php">../exceptions/</directory>
 			<!-- <file>/path/to/file</file>
 			<exclude>
 				<directory suffix=".php">/path/to/files</directory>