Add test for LtsTimelineClassic EventList.h

- Add test_eventlist.cpp with 3 tests for type aliases
- Follow policy naming convention

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

qt6-after/qt6-migrated-benchmark/tests/test_eventlist.cpp

@@ -0,0 +1,69 @@
+#include "Lts/Common/LtsTimelineClassic/Event.h"
+#include "Lts/Common/LtsTimelineClassic/EventGraphic.h"
+#include "Lts/Common/LtsTimelineClassic/EventList.h"
+
+#include <gtest/gtest.h>
+
+namespace LtsTimelineClassic
+{
+
+class EventListTest : public ::testing::Test
+{
+  protected:
+    void SetUp() override {}
+
+    void TearDown() override {}
+};
+
+TEST(EventListTest, EventListTypedefWorks)
+{
+    Event event1(0, 100, Qt::red);
+    Event event2(50, 100, Qt::blue);
+
+    EventList list;
+    list.append(&event1);
+    list.append(&event2);
+
+    EXPECT_EQ(list.size(), 2);
+    EXPECT_EQ(list[0], &event1);
+    EXPECT_EQ(list[1], &event2);
+}
+
+TEST(EventListTest, EventListIterationWorks)
+{
+    Event event1(0, 100, Qt::red);
+    Event event2(50, 100, Qt::blue);
+    Event event3(100, 100, Qt::green);
+
+    EventList list;
+    list.append(&event1);
+    list.append(&event2);
+    list.append(&event3);
+
+    int count = 0;
+    for (Event* event : list)
+    {
+        EXPECT_NE(event, nullptr);
+        count++;
+    }
+    EXPECT_EQ(count, 3);
+}
+
+TEST(EventListTest, EventGraphicListTypedefWorks)
+{
+    Event event1(0, 100, Qt::red);
+    Event event2(50, 100, Qt::blue);
+
+    EventGraphic graphic1(&event1);
+    EventGraphic graphic2(&event2);
+
+    EventGraphicList graphicList;
+    graphicList.append(&graphic1);
+    graphicList.append(&graphic2);
+
+    EXPECT_EQ(graphicList.size(), 2);
+    EXPECT_EQ(graphicList[0], &graphic1);
+    EXPECT_EQ(graphicList[1], &graphic2);
+}
+
+} // namespace LtsTimelineClassic