diff --git a/src/Tests/MetatagAdminTest.php b/src/Tests/MetatagAdminTest.php
index dd3f661..9675ea6 100644
--- a/src/Tests/MetatagAdminTest.php
+++ b/src/Tests/MetatagAdminTest.php
@@ -121,7 +121,7 @@ public function testDefaults() {
     $robots_values = ['index', 'follow', 'noydir'];
     $values = [];
     foreach ($robots_values as $value) {
-      $values['robots[' . $value . ']'] = TRUE;
+      $values['robots[' . $value . ']'] = 1;
     }
     $this->drupalPostForm(NULL, $values, 'Save');
     $this->assertText('Saved the Global Metatag defaults.');
diff --git a/src/Tests/MetatagTagsTest.php b/src/Tests/MetatagTagsTest.php
index 52f6306..7f036fb 100644
--- a/src/Tests/MetatagTagsTest.php
+++ b/src/Tests/MetatagTagsTest.php
@@ -154,7 +154,7 @@ public function robots_test_key() {
    * Implements {meta_tag_name}_test_value() for 'robots'.
    */
   public function robots_test_value() {
-    return TRUE;
+    return 1;
   }
 
   /**