diff --git a/core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php b/core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php
index df6f607d26..7ff1ec3a12 100644
--- a/core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php
@@ -149,7 +149,7 @@ public function testInstallThemeWithUnmetModuleDependencies($theme_name, $missin
     $themes = $this->themeHandler()->listInfo();
     $this->assertEmpty(array_keys($themes));
     $this->expectException(MissingDependencyException::class);
-    $this->expectExceptionMessage("Unable to install theme: '$theme_name' due to missing module dependencies: '$missing_dependencies'");
+    $this->expectExceptionMessage("Unable to install theme: '$theme_name' due to unmet module dependencies: '$missing_dependencies'");
     $this->themeInstaller()->install([$theme_name]);
   }