tests: update tests for fixed el-GR RegExp

belongs to #2111

Author: pano9000

test/validators.js

@@ -7735,8 +7735,22 @@ describe('Validators', () => {
         locale: 'el-GR',
         valid: [
           '+306944848966',
-          '6944848966',
           '306944848966',
+          '06904567890',
+          '6944848966',
+          '6904567890',
+          '6914567890',
+          '6934567890',
+          '6944567890',
+          '6954567890',
+          '6974567890',
+          '6984567890',
+          '6994567890',
+          '6854567890',
+          '6864567890',
+          '6874567890',
+          '6884567890',
+          '6894567890',
         ],
         invalid: [
           '2102323234',
@@ -7746,6 +7760,12 @@ describe('Validators', () => {
           '68129485729',
           '6589394827',
           '298RI89572',
+          '6924567890',
+          '6964567890',
+          '6844567890',
+          '690456789',
+          '00690456789',
+          'not a number',
         ],
       },
       {