refactor: make a constant be accessible in other packages.

We use it in ru.mystamps.web.feature.account.LegacyUserServiceImplTest and it's not clear how it
worked before.

This change is needed in order to simplify automated porting of tests.

Part of 1246

Author: php-coder

src/test/java/ru/mystamps/web/service/TestObjects.java

@@ -71,8 +71,7 @@ public final class TestObjects {
 
 	public static final String TEST_EMAIL           = "test@example.org";
 	public static final String TEST_ACTIVATION_KEY  = "1234567890";
-	
-	protected static final String TEST_PASSWORD     = "secret";
+	public static final String TEST_PASSWORD        = "secret";
 
 	private static final String TEST_NAME           = "Test Name";
 	private static final String TEST_URL            = "test.example.org";