Add test for StatusPickerButton

tests.qrc

@@ -14,5 +14,6 @@
         <file>tst_statuslistitem.qml</file>
         <file>tst_statusexpandableitem.qml</file>
         <file>tst_status_switch.qml</file>
+        <file>tst_status_picker_button.qml</file>
     </qresource>
 </RCC>

tst_status_picker_button.qml

@@ -0,0 +1,29 @@
+import QtQuick 2.14
+import QtTest 1.14
+
+import "base"
+
+import StatusQ.Controls 0.1
+
+WindowTestCase {
+    name: "StatusPickerButton test"
+
+    SignalSpy {
+        id: clickedSpy
+        target: pickerButton
+        signalName: "clicked"
+    }
+
+    StatusPickerButton {
+        id: pickerButton
+        parent: windowContent
+    }
+
+    function test_clickOnPickerButton() {
+        verify(clickedSpy.valid, "Signal not valid")
+
+        compare(clickedSpy.count, 0, "Signal spy is not cleared")
+        mouseClick(pickerButton, 1, 1, Qt.LeftButton)
+        compare(clickedSpy.count, 1, "StatusPickerButton is not emit clicked")
+    }
+}