Fix Zend_LocaleTest's tests to match what Zend_Locale::isLocale() actually does.

tests/Zend/LocaleTest.php

@@ -121,7 +121,7 @@ class Zend_LocaleTest extends PHPUnit_Framework_TestCase
         // compatibility tests
         set_error_handler(array($this, 'errorHandlerIgnore'));
         Zend_LocaleTestHelper::$compatibilityMode = true;
-        $this->assertEquals('de', Zend_LocaleTestHelper::isLocale('de'));
+        $this->assertEquals('de', Zend_LocaleTestHelper::isLocale('de_ABC'));
         restore_error_handler();
     }
 
@@ -657,9 +657,9 @@ class Zend_LocaleTest extends PHPUnit_Framework_TestCase
 
         set_error_handler(array($this, 'errorHandlerIgnore'));
         Zend_LocaleTestHelper::$compatibilityMode = true;
-        $this->assertEquals('ar', Zend_LocaleTestHelper::isLocale($locale));
-        $this->assertEquals('de', Zend_LocaleTestHelper::isLocale('de'));
-        $this->assertEquals('de_AT', Zend_LocaleTestHelper::isLocale('de_AT'));
+        $this->assertTrue(Zend_LocaleTestHelper::isLocale($locale)); // compatibilty makes no odds when testing a Zend_Locale instance
+        $this->assertTrue(Zend_LocaleTestHelper::isLocale('de')); // compatibilty makes no odds when testing a known valid locale
+        $this->assertTrue(Zend_LocaleTestHelper::isLocale('de_AT'));// compatibilty makes no odds when testing a known valid locale
         $this->assertEquals('de', Zend_LocaleTestHelper::isLocale('de_xx'));
         $this->assertFalse(Zend_LocaleTestHelper::isLocale('yy'));
         $this->assertFalse(Zend_LocaleTestHelper::isLocale(1234));