[FIX] hr_attendance: crash when opening the app

'session' is no longer an widget attribute, 'getSession()' should
be used instead.

Also remove a dead JS field widget (not used since
odoo/odoo@158f779b46)

addons/hr_attendance/static/src/js/field_widget.js

@@ -1,29 +0,0 @@
-odoo.define('hr_attendance.field_widget', function (require) {
-"use strict";
-
-var AbstractField = require('web.AbstractField');
-var core = require('web.core');
-var field_registry = require('web.field_registry');
-
-var _t = core._t;
-
-
-var PresenceIndicator = AbstractField.extend({
-    template: 'PresenceIndicator',
-
-    start: function() {
-        this.$el.tooltip({title: _t("Employee Presence<br/>Green: checked in<br/>Red: checked out"), trigger: 'hover'});
-        return this._super();
-    },
-    render: function() {
-        this.$el.toggleClass("oe_hr_attendance_status_green", this.value === 'checked_in');
-        this.$el.toggleClass("oe_hr_attendance_status_red", this.value === 'checked_out');
-    },
-    is_set: function() {
-        return true;
-    }
-});
-
-field_registry.add('hr_attendance_form_presence_indicator', PresenceIndicator);
-
-});

addons/hr_attendance/static/src/js/my_attendances.js

@@ -22,7 +22,7 @@ var MyAttendances = Widget.extend({
         this._rpc({
                 model: 'hr.employee',
                 method: 'search_read',
-                args: [[['user_id', '=', self.session.uid]], ['attendance_state', 'name']],
+                args: [[['user_id', '=', self.getSession().uid]], ['attendance_state', 'name']],
             })
             .then(function (res) {
                 if (_.isEmpty(res) ) {

addons/hr_attendance/static/tests/hr_attendance_tests.js

@@ -0,0 +1,56 @@
+odoo.define('hr_attendance.tests', function (require) {
+"use strict";
+
+var testUtils = require('web.test_utils');
+
+var MyAttendances = require('hr_attendance.my_attendances');
+
+
+QUnit.module('HR Attendance', {
+    beforeEach: function () {
+        this.data = {
+            'hr.employee': {
+                fields: {
+                    name: {string: 'Name', type: 'char'},
+                    attendance_state: {
+                        string: 'State',
+                        type: 'selection',
+                        selection: [[1, "In"], [2, "Out"]],
+                        default: 1,
+                    },
+                    user_id: {string: 'user ID', type: 'integer'},
+                },
+                records: [{
+                    id: 1,
+                    name: "Employee A",
+                    attendance_state: 1,
+                    user_id: 1,
+                }],
+            },
+        };
+    },
+}, function () {
+    QUnit.module('My attendances (client action)');
+
+    QUnit.test('simple rendering', function (assert) {
+        assert.expect(1);
+
+        var $target = $('#qunit-fixture');
+        var clientAction = new MyAttendances(null);
+        testUtils.addMockEnvironment(clientAction, {
+            data: this.data,
+            session: {
+                uid: 1,
+            },
+        });
+        clientAction.appendTo($target);
+
+        assert.strictEqual(clientAction.$('.o_hr_attendance_kiosk_mode h1').text(), 'Welcome Employee A',
+            "should have rendered the client action without crashing");
+
+        clientAction.destroy();
+    });
+
+});
+
+});

addons/hr_attendance/views/web_asset_backend_template.xml

@@ -3,7 +3,6 @@
     <template id="assets_backend" name="hr_attendance assets" inherit_id="web.assets_backend">
         <xpath expr="." position="inside">
             <script type="text/javascript" src="/hr_attendance/static/src/js/employee_kanban_view_handler.js"></script>
-            <script type="text/javascript" src="/hr_attendance/static/src/js/field_widget.js"></script>
             <script type="text/javascript" src="/hr_attendance/static/src/js/greeting_message.js"></script>
             <script type="text/javascript" src="/hr_attendance/static/src/js/kiosk_mode.js"></script>
             <script type="text/javascript" src="/hr_attendance/static/src/js/kiosk_confirm.js"></script>
@@ -11,4 +10,10 @@
             <link rel="stylesheet" href="/hr_attendance/static/src/less/hr_attendance.less"/>
         </xpath>
     </template>
+
+    <template id="qunit_suite" name="hr attendance tests" inherit_id="web.qunit_suite">
+        <xpath expr="//script[contains(@src, '/web/static/tests/views/kanban_tests.js')]" position="after">
+            <script type="text/javascript" src="/hr_attendance/static/tests/hr_attendance_tests.js"></script>
+        </xpath>
+    </template>
 </odoo>