Clean up tests

Author: JoaoSouMoreira

src/test/java/com/auth0/client/auth/AuthAPITest.java

@@ -1556,14 +1556,6 @@ public void addOobAuthenticatorThrowsWhenChannelsNull() {
             "'OOB channels' cannot be null!");
     }
 
-    @SuppressWarnings("deprecation")
-    @Test
-    public void addOobAuthenticatorThrowsWhenPhoneNumberNull() {
-        verifyThrows(IllegalArgumentException.class,
-            () -> api.addOobAuthenticator("mfaToken", Collections.singletonList("sms"), null, null),
-            "'phone number' cannot be null!");
-    }
-
     @SuppressWarnings("deprecation")
     @Test
     public void addOobAuthenticatorRequest() throws Exception {
@@ -1589,6 +1581,13 @@ public void addOobAuthenticatorRequest() throws Exception {
         assertThat(response.getRecoveryCodes(), notNullValue());
     }
 
+    @Test
+    public void addOobAuthenticatorThrowsWhenPhoneNumberNull() {
+        verifyThrows(IllegalArgumentException.class,
+            () -> api.addOobAuthenticator("mfaToken", Collections.singletonList("sms"), null, null),
+            "'phone number' cannot be null!");
+    }
+
     @Test
     public void addOobAuthenticatorThrowsWhenEmailNull() {
         verifyThrows(IllegalArgumentException.class,