McuSupport: settings unit tests

Change-Id: I0fe1b8f9523f952e14a23c7ffa9ef7d3b6ff6ddf
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/mcusupport/mcupackage.cpp

@@ -76,6 +76,11 @@ QString McuPackage::label() const
     return m_label;
 }
 
+QString McuPackage::settingsKey() const
+{
+    return m_settingsKey;
+}
+
 const QString &McuPackage::environmentVariableName() const
 {
     return m_environmentVariableName;
@@ -148,7 +153,6 @@ bool McuPackage::isValidStatus() const
     return m_status == Status::ValidPackage || m_status == Status::ValidPackageMismatchedVersion;
 }
 
-
 void McuPackage::updateStatusUi()
 {
     switch (m_status) {
@@ -269,7 +273,6 @@ QWidget *McuPackage::widget()
     return m_widget;
 }
 
-
 McuToolChainPackage::McuToolChainPackage(const QString &label,
                                          const FilePath &defaultPath,
                                          const FilePath &detectionPath,
@@ -466,5 +469,4 @@ QVariant McuToolChainPackage::debuggerId() const
     return DebuggerItemManager::registerDebugger(newDebugger);
 }
 
-
 } // namespace McuSupport::Internal