test: add new test to Task test

Also adds one more check to setStatus test

launcher/tasks/Task_test.cpp

@@ -6,23 +6,49 @@
 /* Does nothing. Only used for testing. */
 class BasicTask : public Task {
     Q_OBJECT
-   public:
-    explicit BasicTask() : Task() {};
+
+    friend class TaskTest;
+
    private:
     void executeTask() override {};   
 };
 
+/* Does nothing. Only used for testing. */
+class BasicTask_MultiStep : public Task {
+    Q_OBJECT
+
+    friend class TaskTest;
+
+   private:
+    auto isMultiStep() const -> bool override { return true; }
+
+    void executeTask() override {};   
+};
+
 class TaskTest : public QObject {
     Q_OBJECT
 
    private slots:
-    void test_SetStatus(){
+    void test_SetStatus_NoMultiStep(){
         BasicTask t;
         QString status {"test status"};
 
         t.setStatus(status);
 
         QCOMPARE(t.getStatus(), status);
+        QCOMPARE(t.getStepStatus(), status);
+    }
+
+    void test_SetStatus_MultiStep(){
+        BasicTask_MultiStep t;
+        QString status {"test status"};
+
+        t.setStatus(status);
+
+        QCOMPARE(t.getStatus(), status);
+        // Even though it is multi step, it does not override the getStepStatus method,
+        // so it should remain the same.
+        QCOMPARE(t.getStepStatus(), status);
     }
 
     void test_SetProgress(){