Update test/algorithms/test_statepreparation.cpp

Signed-off-by: Lukas Burgholzer <[email protected]>

Author: burgholzer

test/algorithms/test_statepreparation.cpp

@@ -18,7 +18,7 @@
 #include <gtest/gtest.h>
 #include <memory>
 #include <stdexcept>
-#include <utility>
+#include <tuple>
 #include <vector>
 
 constexpr double EPS = 1e-10;