Made translation text domain extraction insensitive to multiple occurrences of...

Made translation text domain extraction insensitive to multiple occurrences of '::' in a translation string.

module/VuFind/src/VuFind/I18n/Translator/TranslatorAwareTrait.php

@@ -167,7 +167,7 @@ trait TranslatorAwareTrait
      */
     protected function extractTextDomain($target)
     {
-        $parts = is_array($target) ? $target : explode('::', $target);
+        $parts = is_array($target) ? $target : explode('::', $target, 2);
         if (count($parts) < 1 || count($parts) > 2) {
             throw new \Exception('Unexpected value sent to translator!');
         }

module/VuFind/tests/unit-tests/src/VuFindTest/View/Helper/Root/TranslateTest.php

@@ -82,20 +82,6 @@ class TranslateTest extends \PHPUnit_Framework_TestCase
         $translate->__invoke([1, 2, 3]);
     }
 
-    /**
-     * Test invalid translation string
-     *
-     * @return void
-     *
-     * @expectedException        Exception
-     * @expectedExceptionMessage Unexpected value sent to translator!
-     */
-    public function testTranslateWithDoubleTextDomainArray()
-    {
-        $translate = new Translate();
-        $translate->__invoke('a::b::c');
-    }
-
     /**
      * Test translation with a loaded translator
      *