diff --git a/client/core/src/lib/validator.js b/client/core/src/lib/validator.js
index 580f1fc5e8..704961318e 100644
--- a/client/core/src/lib/validator.js
+++ b/client/core/src/lib/validator.js
@@ -14,7 +14,7 @@ export const validators = {
             min: conf.min || conf.is,
             max: conf.max || conf.is
         };
-        let val = String(value);
+        let val = value ? String(value) : '';
         if (!validator.isLength(val, options)) {
             if (conf.is) {
                 throw new Error(`Value should be ${conf.is} characters long`);
diff --git a/e2e/paths/09_add_greuge.spec.js b/e2e/paths/09_add_greuge.spec.js
index 838f6dcddf..0846ab5aa2 100644
--- a/e2e/paths/09_add_greuge.spec.js
+++ b/e2e/paths/09_add_greuge.spec.js
@@ -7,7 +7,7 @@ const moduleAccessViewHashURL = '#!/';
 
 jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
 
-fdescribe('Add greuge path', () => {
+describe('Add greuge path', () => {
     describe('warm up', () => {
         it('should warm up login and fixtures', done => {
             nightmare
diff --git a/services/db/Dockerfile b/services/db/Dockerfile
index ba6c150b10..075a63b516 100644
--- a/services/db/Dockerfile
+++ b/services/db/Dockerfile
@@ -1,6 +1,7 @@
 FROM mysql:5.6.37
 
 ENV MYSQL_ALLOW_EMPTY_PASSWORD yes
+ENV TZ GMT-1
 
 COPY localDB01StructureAccount.sql /docker-entrypoint-initdb.d
 COPY localDB02StructureVn2008.sql /docker-entrypoint-initdb.d
diff --git a/services/production/common/models/ticket-state.js b/services/production/common/models/ticket-state.js
index 4c320c203f..2580d98db2 100644
--- a/services/production/common/models/ticket-state.js
+++ b/services/production/common/models/ticket-state.js
@@ -1,4 +1,4 @@
 
 module.exports = function(Self) {
     require('../methods/ticket-state/change-state.js')(Self);
-};
\ No newline at end of file
+};