diff --git a/tests/filter_performance_png_test.php b/tests/filter_wiris_performance_png_test.php
similarity index 98%
rename from tests/filter_performance_png_test.php
rename to tests/filter_wiris_performance_png_test.php
index 7c3af3c1..caf9fae4 100644
--- a/tests/filter_performance_png_test.php
+++ b/tests/filter_wiris_performance_png_test.php
@@ -28,7 +28,7 @@
 require_once($CFG->dirroot . '/filter/wiris/filter.php');
 require_once($CFG->dirroot . '/filter/wiris/integration/lib/com/wiris/system/CallWrapper.class.php');
 
-class filter_performance_png_test extends advanced_testcase {
+class filter_wiris_performance_png_test extends advanced_testcase {
     protected $wirisfilter;
     protected $safexml;
     protected $xml;
diff --git a/tests/filter_performance_svg_test.php b/tests/filter_wiris_performance_svg_test.php
similarity index 98%
rename from tests/filter_performance_svg_test.php
rename to tests/filter_wiris_performance_svg_test.php
index d4b902e6..446c8641 100644
--- a/tests/filter_performance_svg_test.php
+++ b/tests/filter_wiris_performance_svg_test.php
@@ -28,7 +28,7 @@
 require_once($CFG->dirroot . '/filter/wiris/filter.php');
 require_once($CFG->dirroot . '/filter/wiris/integration/lib/com/wiris/system/CallWrapper.class.php');
 
-class filter_performance_svg_test extends advanced_testcase {
+class filter_wiris_performance_svg_test extends advanced_testcase {
     protected $wirisfilter;
     protected $safexml;
     protected $xml;
diff --git a/tests/filter_without_performance_png_test.php b/tests/filter_wiris_without_performance_png_test.php
similarity index 98%
rename from tests/filter_without_performance_png_test.php
rename to tests/filter_wiris_without_performance_png_test.php
index af12fa72..d2ce71de 100644
--- a/tests/filter_without_performance_png_test.php
+++ b/tests/filter_wiris_without_performance_png_test.php
@@ -27,7 +27,7 @@
 global $CFG;
 require_once($CFG->dirroot . '/filter/wiris/filter.php');
 
-class filter_without_performance_png_test extends advanced_testcase {
+class filter_wiris_without_performance_png_test extends advanced_testcase {
     protected $wirisfilter;
     protected $safexml;
     protected $xml;
diff --git a/tests/filter_without_performance_svg_test.php b/tests/filter_wiris_without_performance_svg_test.php
similarity index 98%
rename from tests/filter_without_performance_svg_test.php
rename to tests/filter_wiris_without_performance_svg_test.php
index e94d9ff8..04a90dc3 100644
--- a/tests/filter_without_performance_svg_test.php
+++ b/tests/filter_wiris_without_performance_svg_test.php
@@ -27,7 +27,7 @@
 global $CFG;
 require_once($CFG->dirroot . '/filter/wiris/filter.php');
 
-class filter_without_performance_svg_test extends advanced_testcase {
+class filter_wiris_without_performance_svg_test extends advanced_testcase {
     protected $wirisfilter;
     protected $safexml;
     protected $xml;