tests done except for sample and samples component

src/app/services/validation.service.ts

@@ -107,7 +107,7 @@ export class ValidationService {
   }
 
   max(data, max) {
-    const {ignore, error} = Joi.number().allow('').min(max).validate(data);
+    const {ignore, error} = Joi.number().allow('').max(max).validate(data);
     if (error) {
       return {ok: false, error: `must not be above ${max}`};
     }