7 files changed, 31 insertions, 23 deletions
diff --git a/tests/travis/mysql.phpunit.xml b/tests/travis/mysql.phpunit.xml
index 06d4a011b..15063fd5a 100644
--- a/tests/travis/mysql.phpunit.xml
+++ b/tests/travis/mysql.phpunit.xml
@@ -8,7 +8,8 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false">
 	<php>
         <const name="DB_DRIVER" value="mysql"/>
     </php>
diff --git a/tests/travis/mysqli.phpunit.xml b/tests/travis/mysqli.phpunit.xml
index 1364f8bfa..c77aaa303 100644
--- a/tests/travis/mysqli.phpunit.xml
+++ b/tests/travis/mysqli.phpunit.xml
@@ -8,7 +8,8 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false">
 	<php>
         <const name="DB_DRIVER" value="mysqli"/>
     </php>
diff --git a/tests/travis/pdo/mysql.phpunit.xml b/tests/travis/pdo/mysql.phpunit.xml
index 7121edc45..1a9030ddf 100644
--- a/tests/travis/pdo/mysql.phpunit.xml
+++ b/tests/travis/pdo/mysql.phpunit.xml
@@ -8,7 +8,8 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false">
 	<php>
         <const name="DB_DRIVER" value="pdo/mysql"/>
     </php>
diff --git a/tests/travis/pdo/pgsql.phpunit.xml b/tests/travis/pdo/pgsql.phpunit.xml
index df3ff986e..22261ee7d 100644
--- a/tests/travis/pdo/pgsql.phpunit.xml
+++ b/tests/travis/pdo/pgsql.phpunit.xml
@@ -8,7 +8,8 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false">
 	<php>
         <const name="DB_DRIVER" value="pdo/pgsql"/>
     </php>
diff --git a/tests/travis/pdo/sqlite.phpunit.xml b/tests/travis/pdo/sqlite.phpunit.xml
index 7d867f6d1..4b0ca2fe7 100644
--- a/tests/travis/pdo/sqlite.phpunit.xml
+++ b/tests/travis/pdo/sqlite.phpunit.xml
@@ -8,7 +8,8 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false">
 	<php>
         <const name="DB_DRIVER" value="pdo/sqlite"/>
     </php>
diff --git a/tests/travis/pgsql.phpunit.xml b/tests/travis/pgsql.phpunit.xml
index bfddbf6b5..8d7979a0f 100644
--- a/tests/travis/pgsql.phpunit.xml
+++ b/tests/travis/pgsql.phpunit.xml
@@ -8,7 +8,8 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false">
 	<php>
         <const name="DB_DRIVER" value="pgsql"/>
     </php>
diff --git a/tests/travis/sqlite.phpunit.xml b/tests/travis/sqlite.phpunit.xml
index 75c946aee..4eaafc19f 100644
--- a/tests/travis/sqlite.phpunit.xml
+++ b/tests/travis/sqlite.phpunit.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit 
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	bootstrap="../Bootstrap.php"
 	colors="true"
 	convertNoticesToExceptions="true"
@@ -8,18 +7,21 @@
 	stopOnError="false"
 	stopOnFailure="false"
 	stopOnIncomplete="false"
-	stopOnSkipped="false">
-	<php>
-        <const name="DB_DRIVER" value="sqlite"/>
-    </php>
-	<testsuites>
-		<testsuite name="CodeIgniter Core Test Suite">
-			<directory suffix="test.php">../codeigniter</directory>
-		</testsuite>
-	</testsuites>
-	<filter>
-        <whitelist addUncoveredFilesFromWhitelist="false">
-            <directory suffix=".php">../../system</directory>
-        </whitelist>
-	</filter>
-</phpunit>
-\ No newline at end of file
+	stopOnSkipped="false"
+	beStrictAboutTestsThatDoNotTestAnything="false"
+	xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+>
+  <coverage includeUncoveredFiles="false">
+    <include>
+      <directory suffix=".php">../../system</directory>
+    </include>
+  </coverage>
+  <php>
+    <const name="DB_DRIVER" value="sqlite"/>
+  </php>
+  <testsuites>
+    <testsuite name="CodeIgniter Core Test Suite">
+      <directory suffix="test.php">../codeigniter</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>