diff --git a/inc/test/php/LangTest.php b/inc/test/php/LangTest.php
index 5e20f88..6111656 100644
--- a/inc/test/php/LangTest.php
+++ b/inc/test/php/LangTest.php
@@ -15,13 +15,13 @@ final class LangTest extends TestCase {
             $lang_class = substr($lang_class, 0, strpos($lang_class, ".")); // grab "en_US" from "en_US.utf8.php"
 
             echo("Testing $lang_class ($lang)... ");
+
             $instance = new $lang_class;
-            $this->assertIsArray($instance->array);
-            $this->assertNotEmpty($instance->array);
-            $this->assertContainsOnly("string", $instance->array);
-
-            $count = sizeof($instance->array);
+            self::assertIsArray($instance->array);
+            self::assertNotEmpty($instance->array);
+            self::assertContainsOnly("string", $instance->array);
 
+            $count = count($instance->array);
             echo "Success. $count messages defined.\n";
         }
     }
diff --git a/inc/test/php/PageTest.php b/inc/test/php/PageTest.php
index e032383..cc4ef7b 100644
--- a/inc/test/php/PageTest.php
+++ b/inc/test/php/PageTest.php
@@ -11,9 +11,9 @@ final class PageTest extends TestCase {
         foreach (range(1, 2) as $currentPage) {
             $page->page = $currentPage;
             $pager = $page->generate_pager(10);
-            $this->assertIsArray($pager);
-            $this->assertCount(3, $pager);
-            $this->assertStringContainsString("Page $currentPage/2", $pager["count"]);
+            self::assertIsArray($pager);
+            self::assertCount(3, $pager);
+            self::assertStringContainsString("Page $currentPage/2", $pager["count"]);
         }
     }
 
@@ -29,6 +29,6 @@ final class PageTest extends TestCase {
         require_once './history.php';
         $output = ob_get_clean();
         $historyPager = 'Page 1/1';
-        $this->assertStringContainsString($historyPager, $output);
+        self::assertStringContainsString($historyPager, $output);
     }
 }