More precisely specify the Devanagari numbering system in tests

Author: jchambers

src/test/java/com/eatthepath/otp/HmacOneTimePasswordGeneratorTest.java

@@ -29,6 +29,7 @@
 import java.nio.charset.StandardCharsets;
 import java.security.Key;
 import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
 import java.util.Locale;
 import java.util.stream.Stream;
 
@@ -132,7 +133,7 @@ void testGenerateOneTimePasswordStringLocale(final int counter, final Locale loc
     }
 
     private static Stream<Arguments> argumentsForTestGenerateOneTimePasswordStringLocaleHotp() {
-        final Locale locale = Locale.forLanguageTag("hi-IN");
+        final Locale locale = Locale.forLanguageTag("hi-IN-u-nu-Deva");
 
         return Stream.of(
                 arguments(0, locale, "७५५२२४"),

src/test/java/com/eatthepath/otp/TimeBasedOneTimePasswordGeneratorTest.java

@@ -157,7 +157,7 @@ void testGenerateOneTimePasswordStringLocaleTotp(final String algorithm, final K
     }
 
     private static Stream<Arguments> argumentsForTestGenerateOneTimePasswordStringLocaleTotp() {
-        final Locale locale = Locale.forLanguageTag("hi-IN");
+        final Locale locale = Locale.forLanguageTag("hi-IN-u-nu-Deva");
 
         return Stream.of(
                 arguments(HMAC_SHA1_ALGORITHM,   HMAC_SHA1_KEY,            59L, locale, "९४२८७०८२"),