[FIX] web: use correct type integer

In tests, some fields were defined with the type `int` which
does not exist. The correct type is `integer`.

addons/web/static/tests/fields/relational_fields_tests.js

@@ -81,7 +81,7 @@ QUnit.module('relational_fields', {
             partner_type: {
                 fields: {
                     name: {string: "Partner Type", type: "char"},
-                    color: {string: "Color index", type: "int"},
+                    color: {string: "Color index", type: "integer"},
                 },
                 records: [
                     {id: 12, display_name: "gold", color: 2},

addons/web/static/tests/views/form_tests.js

@@ -82,7 +82,7 @@ QUnit.module('Views', {
             partner_type: {
                 fields: {
                     name: {string: "Partner Type", type: "char"},
-                    color: {string: "Color index", type: "int"},
+                    color: {string: "Color index", type: "integer"},
                 },
                 records: [
                     {id: 12, display_name: "gold", color: 2},

addons/web/static/tests/views/kanban_tests.js

@@ -41,7 +41,7 @@ QUnit.module('Views', {
             category: {
                 fields: {
                     name: {string: "Category Name", type: "char"},
-                    color: {string: "Color index", type: "int"},
+                    color: {string: "Color index", type: "integer"},
                 },
                 records: [
                     {id: 6, name: "gold", color: 2},