diff --git a/modules/simpletest/tests/system_test.module b/modules/simpletest/tests/system_test.module
index 7372764..b8e6637 100644
--- a/modules/simpletest/tests/system_test.module
+++ b/modules/simpletest/tests/system_test.module
@@ -264,6 +264,12 @@ function system_test_system_info_alter(&$info, $file, $type) {
   if ($file->name == 'system_dependencies_test') {
     $info['hidden'] = FALSE;
   }
+  if ($file->name == 'system_incompatible_module_version_dependencies_test' ||
+      $file->name == 'system_incompatible_core_version_dependencies_test' ||
+      $file->name == 'system_incompatible_module_version_test' ||
+      $file->name == 'system_incompatible_core_version_test') {
+    $info['hidden'] = FALSE;
+  }
   if ($file->name == 'requirements1_test' || $file->name == 'requirements2_test') {
     $info['hidden'] = FALSE;
   }
diff --git a/modules/system/system.test b/modules/system/system.test
index cdba27f..f7d5038 100644
--- a/modules/system/system.test
+++ b/modules/system/system.test
@@ -422,6 +422,35 @@ class ModuleDependencyTestCase extends ModuleTestCase {
   }
 
   /**
+   * Tests enabling a module that depends on an incompatible version of a module.
+   */
+  function testIncompatibleModuleVersionDependency() {
+    // Test that the system_incompatible_module_version_dependencies_test is
+    // marked as having an incompatible dependency.
+    $this->drupalGet('admin/modules');
+    $this->assertRaw(t('@module (<span class="admin-missing">incompatible with</span> version @version)', array(
+      '@module' => 'System incompatible module version test (>2.0)',
+      '@version' => '1.0',
+    )), 'A module that depends on an incompatible version of a module is marked as such.');
+    $checkbox = $this->xpath('//input[@type="checkbox" and @disabled="disabled" and @name="modules[Testing][system_incompatible_module_version_dependencies_test][enable]"]');
+    $this->assert(count($checkbox) == 1, t('Checkbox for the module is disabled.'));
+  }
+
+  /**
+   * Tests enabling a module that depends on a module with an incompatible core version.
+   */
+  function testIncompatibleCoreVersionDependency() {
+    // Test that the system_incompatible_core_version_dependencies_test is
+    // marked as having an incompatible dependency.
+    $this->drupalGet('admin/modules');
+    $this->assertRaw(t('@module (<span class="admin-missing">incompatible with this version of Drupal core</span>)', array(
+      '@module' => 'System incompatible core version test',
+    )), 'A module that depends on a module with an incompatible core version is marked as such.');
+    $checkbox = $this->xpath('//input[@type="checkbox" and @disabled="disabled" and @name="modules[Testing][system_incompatible_core_version_dependencies_test][enable]"]');
+    $this->assert(count($checkbox) == 1, t('Checkbox for the module is disabled.'));
+  }
+
+  /**
    * Tests enabling a module that depends on a module which fails hook_requirements().
    */
   function testEnableRequirementsFailureDependency() {