Fix: aligned stack test uses non-aligned data array.

test/data_structures_test.cpp

@@ -3,7 +3,6 @@
 
 #include "pls/internal/base/system_details.h"
 #include "pls/internal/data_structures/aligned_stack.h"
-#include "pls/internal/data_structures/bounded_trading_deque.h"
 
 using namespace pls::internal::data_structures;
 using namespace pls::internal::base;
@@ -16,7 +15,7 @@ TEST_CASE("aligned stack stores objects correctly", "[internal/data_structures/a
   constexpr long data_size = 1024;
 
   SECTION("plain aligned stack") {
-    char data[data_size];
+    alignas(system_details::CACHE_LINE_SIZE) char data[data_size];
     aligned_stack stack{data, data_size, data_size};
 
     test_stack(stack);