env variables postgresql test

charts/sigi/v0.1.0/values.yaml

@@ -103,10 +103,9 @@ postgresql:
     password: sigi
     username: sigi
     database: sigi
-  primary:
+  extraEnvVars:
-    extraEnvVars:
+    - name: LANG
-      - name: LANG
+      value: pt_BR.UTF-8
-        value: pt_BR.UTF-8
   resources:
     requests:
       cpu: 50m