Normalize Javadoc first sentence in LocaleUtils

Author: garydgregory

src/main/java/org/apache/commons/lang3/LocaleUtils.java

@@ -136,7 +136,7 @@ public static boolean isAvailableLocale(final Locale locale) {
     }
 
     /**
-     * Checks whether the given String is a ISO 3166 alpha-2 country code.
+     * Tests whether the given String is a ISO 3166 alpha-2 country code.
      *
      * @param str the String to check
      * @return true, is the given String is a ISO 3166 compliant country code.
@@ -146,7 +146,7 @@ private static boolean isISO3166CountryCode(final String str) {
     }
 
     /**
-     * Checks whether the given String is a ISO 639 compliant language code.
+     * Tests whether the given String is a ISO 639 compliant language code.
      *
      * @param str the String to check.
      * @return true, if the given String is a ISO 639 compliant language code.
@@ -172,7 +172,7 @@ public static boolean isLanguageUndetermined(final Locale locale) {
     }
 
     /**
-     * Checks whether the given String is a UN M.49 numeric area code.
+     * TestsNo whether the given String is a UN M.49 numeric area code.
      *
      * @param str the String to check
      * @return true, is the given String is a UN M.49 numeric area code.