test(isXrpAddress): add missing tests

Author: tadejgolobic

test/validators.js

@@ -8590,6 +8590,25 @@ describe('Validators', () => {
   });
 
   it('should validate XRP addresses', () => {
+    test({
+      validator: 'isXRPAddress',
+      valid: [
+        'rAAAAAAAAAAAAAAAAAAAAAAAAA',
+        'rUfkLWGb7UwFgpci24kBpu7eCR',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3oTnpLxUG',
+      ],
+      invalid: [
+        'r4zkbgzeQriVB1iFeZj8rTT1',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3oInpLxUG',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3oOnpLxUG',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3olnpLxUG',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3o+npLxUG',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3o/npLxUG',
+        '4zkbgzeQriVB1iFeZj8rTT1q3oTnpLxUGr',
+        'r4zkbgzeQriVB1iFeZj8rTT1q3oTnpLxUGGGG',
+      ],
+    });
+
     test({
       validator: 'isXRPAddress',
       args: [