Add cancel button

res/test_plugin/plugin/__init__.py

-from PyQt5.QtWidgets import QMessageBox
-
-
-def display_messagebox():
-    QMessageBox.about(None, "About", "Sakia")
\ No newline at end of file

src/sakia/gui/sub/certification/certification.ui

@@ -103,6 +103,13 @@
            </property>
           </widget>
          </item>
+         <item>
+          <widget class="QPushButton" name="button_cancel">
+           <property name="text">
+            <string>Cancel</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
       </layout>
@@ -151,6 +158,13 @@
               </property>
              </widget>
             </item>
+            <item>
+             <widget class="QPushButton" name="button_cancel_licence">
+              <property name="text">
+               <string>Cancel</string>
+              </property>
+             </widget>
+            </item>
            </layout>
           </item>
          </layout>

src/sakia/gui/sub/certification/controller.py

@@ -31,6 +31,8 @@ class CertificationController(QObject):
         super().__init__()
         self.view.button_box.accepted.connect(self.accept)
         self.view.button_box.rejected.connect(self.reject)
+        self.view.button_cancel.clicked.connect(self.reject)
+        self.view.button_cancel_licence.clicked.connect(self.reject)
         self.view.combo_connections.currentIndexChanged.connect(self.change_connection)
 
     @classmethod