tests: remove legacy test tree

tests/threading/test_task.cpp

@@ -1,59 +0,0 @@
-#include <gtest/gtest.h>
-#include <XCEngine/Threading/Task.h>
-#include <XCEngine/Threading/LambdaTask.h>
-
-using namespace XCEngine::Threading;
-
-namespace {
-
-class TestTask : public ITask {
-public:
-    TestTask(bool* flag) : m_flag(flag) {}
-    
-    void Execute() override {
-        if (m_flag) *m_flag = true;
-    }
-    
-private:
-    bool* m_flag;
-};
-
-TEST(Threading_Task, DefaultPriority) {
-    TestTask task(nullptr);
-    EXPECT_EQ(task.GetPriority(), TaskPriority::Normal);
-}
-
-TEST(Threading_Task, SetPriority) {
-    TestTask task(nullptr);
-    task.SetPriority(TaskPriority::High);
-    EXPECT_EQ(task.GetPriority(), TaskPriority::High);
-}
-
-TEST(Threading_Task, Status) {
-    TestTask task(nullptr);
-    EXPECT_EQ(task.GetStatus(), TaskStatus::Pending);
-    
-    task.SetStatus(TaskStatus::Running);
-    EXPECT_EQ(task.GetStatus(), TaskStatus::Running);
-}
-
-TEST(Threading_Task, Execute) {
-    bool executed = false;
-    TestTask task(&executed);
-    task.Execute();
-    EXPECT_TRUE(executed);
-}
-
-TEST(Threading_LambdaTask, Execute) {
-    bool executed = false;
-    LambdaTask task([&executed]() { executed = true; });
-    task.Execute();
-    EXPECT_TRUE(executed);
-}
-
-TEST(Threading_LambdaTask, Priority) {
-    LambdaTask task([]() {}, TaskPriority::Low);
-    EXPECT_EQ(task.GetPriority(), TaskPriority::Low);
-}
-
-} // namespace