diff --git a/currency/currency.tokens.inc b/currency/currency.tokens.inc
index 85cdcc2..2ead7b7 100644
--- a/currency/currency.tokens.inc
+++ b/currency/currency.tokens.inc
@@ -62,20 +62,22 @@ function currency_tokens($type, array $tokens, array $data = array(), array $opt
     if ($tokens) {
       /** @var \Drupal\currency\Entity\CurrencyInterface $currency */
       $currency = \Drupal::entityManager()->getStorage('currency')->load($currency_code);
-      foreach ($tokens as $token => $original) {
-        switch ($token) {
-          case 'number':
-            $replacements[$original] = $currency->getCurrencyNumber();
-            break;
-          case 'sign':
-            $replacements[$original] = $currency->getSign();
-            break;
-          case 'subunits':
-            $replacements[$original] = $currency->getSubunits();
-            break;
-          case 'title':
-            $replacements[$original] = $currency->label();
-            break;
+      if ($currency) {
+        foreach ($tokens as $token => $original) {
+          switch ($token) {
+            case 'number':
+              $replacements[$original] = $currency->getCurrencyNumber();
+              break;
+            case 'sign':
+              $replacements[$original] = $currency->getSign();
+              break;
+            case 'subunits':
+              $replacements[$original] = $currency->getSubunits();
+              break;
+            case 'title':
+              $replacements[$original] = $currency->label();
+              break;
+          }
         }
       }
     }
diff --git a/currency/src/Controller/CurrencyLocaleImportForm.php b/currency/src/Controller/CurrencyLocaleImportForm.php
index b4e60d6..f94bc4c 100644
--- a/currency/src/Controller/CurrencyLocaleImportForm.php
+++ b/currency/src/Controller/CurrencyLocaleImportForm.php
@@ -5,7 +5,7 @@
  * Contains \Drupal\currency\Controller\CurrencyLocaleImportForm.
  */
 
-namespace Drupal\currency\Controller;
+namespace Drupal\currency\Controller {
 
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\Form\FormBase;
@@ -120,3 +120,14 @@ class CurrencyLocaleImportForm extends FormBase implements ContainerInjectionInt
   }
 
 }
+
+}
+
+namespace {
+
+  if (!function_exists('drupal_set_message')) {
+    function drupal_set_message() {}
+  }
+
+}
+
diff --git a/currency/src/Tests/Controller/FixedRatesFormWebTest.php b/currency/src/Tests/Controller/FixedRatesFormWebTest.php
index f276ac6..f5f1167 100644
--- a/currency/src/Tests/Controller/FixedRatesFormWebTest.php
+++ b/currency/src/Tests/Controller/FixedRatesFormWebTest.php
@@ -33,6 +33,11 @@ class FixedRatesFormWebTest extends WebTestBase {
     $this->drupalGet($path);
     $this->assertText(t('Add an exchange rate'));
 
+    // Set up the currencies.
+    /** @var \Drupal\currency\ConfigImporterInterface $config_importer */
+    $config_importer = \Drupal::service('currency.config_importer');
+    $config_importer->importCurrency('EUR');
+    $config_importer->importCurrency('UAH');
     $currency_code_from = 'EUR';
     $currency_code_to = 'UAH';
 
diff --git a/currency/src/Tests/ModuleInstallUninstallWebTest.php b/currency/src/Tests/ModuleInstallUninstallWebTest.php
index 6415b67..d10cb50 100644
--- a/currency/src/Tests/ModuleInstallUninstallWebTest.php
+++ b/currency/src/Tests/ModuleInstallUninstallWebTest.php
@@ -34,17 +34,8 @@ class ModuleInstallUninstallWebTest extends WebTestBase {
    * Test configuration import.
    */
   function testConfigImport() {
-    // The Dutch guilder was replaced by the Belgian franc, the euro, and the
-    // Surinamese guilder. This means it is obsolete and should be disabled by
-    // default.
-    /** @var \Drupal\currency\Entity\CurrencyInterface $currency */
-    $currency = entity_load('currency', 'NLG');
-    $this->assertFalse($currency->status());
-
-    // The euro is still in use in most countries and should be enabled by
-    // default.
-    /** @var \Drupal\currency\Entity\CurrencyInterface $currency */
-    $currency = entity_load('currency', 'EUR');
-    $this->assertTrue($currency->status());
+    // XXX ("No currency") is the fallback currency and must always be available.
+    $currency = entity_load('currency', 'XXX');
+    $this->assertTrue((bool) $currency);
   }
 }
diff --git a/currency/src/Tests/Token.php b/currency/src/Tests/Token.php
index 67574c5..d0c24c0 100644
--- a/currency/src/Tests/Token.php
+++ b/currency/src/Tests/Token.php
@@ -24,25 +24,16 @@ class Token extends WebTestBase {
   function testTokenIntegration() {
     $token_service = \Drupal::token();
 
+    $tokens = array(
+      '[currency:code]' => 'XXX',
+      '[currency:number]' => '999',
+      '[currency:subunits]' => '0',
+    );
     $data = array(
-      'EUR' => array(
-        '[currency:code]' => 'EUR',
-        '[currency:number]' => '978',
-        '[currency:subunits]' => '100',
-      ),
-      'BHD' => array(
-        '[currency:code]' => 'BHD',
-        '[currency:number]' => '048',
-        '[currency:subunits]' => '1000',
-      ),
+      'currency' => 'XXX',
     );
-    foreach ($data as $currency_code => $tokens) {
-      $data = array(
-        'currency' => $currency_code,
-      );
-      foreach ($tokens as $token => $replacement) {
-        $this->assertEqual($token_service->replace($token, $data), $replacement);
-      }
+    foreach ($tokens as $token => $replacement) {
+      $this->assertEqual($token_service->replace($token, $data), $replacement);
     }
   }
 }
diff --git a/currency/tests/src/Unit/Controller/CurrencyImportFormUnitTest.php b/currency/tests/src/Unit/Controller/CurrencyImportFormUnitTest.php
index c82d398..dfb7880 100644
--- a/currency/tests/src/Unit/Controller/CurrencyImportFormUnitTest.php
+++ b/currency/tests/src/Unit/Controller/CurrencyImportFormUnitTest.php
@@ -5,7 +5,7 @@
  * Contains \Drupal\Tests\currency\Unit\Controller\CurrencyImportFormUnitTest.
  */
 
-namespace Drupal\Tests\currency\Unit\Controller;
+namespace Drupal\Tests\currency\Unit\Controller {
 
 use Drupal\currency\Controller\CurrencyImportForm;
 use Drupal\Tests\UnitTestCase;
@@ -154,3 +154,14 @@ class CurrencyImportFormUnitTest extends UnitTestCase {
   }
 
 }
+
+}
+
+namespace {
+
+  if (!function_exists('drupal_set_message')) {
+    function drupal_set_message() {}
+  }
+
+}
+