Update 'SequentialScheduler' test

unit_tests/scheduler/Test_Scheduler.cpp

@@ -20,7 +20,7 @@
 #include "aidge/scheduler/Scheduler.hpp"
 
 #include "aidge/backend/cpu.hpp"
-#include "aidge/recipies/GraphViewHelper.hpp"
+#include "aidge/recipes/GraphViewHelper.hpp"
 
 using namespace Aidge;
 
@@ -372,7 +372,7 @@ TEST_CASE("[cpu/scheduler] SequentialScheduler(backward)", "[scheduler][backward
     compile_gradient(gv);
     SequentialScheduler scheduler(gv);
     scheduler.forward();
-    auto predictedOutput = gv->getOrderedOutputs()[0];
+    auto predictedOutput = gv->getOrderedOutputs()[0].first;
 
     std::shared_ptr<Tensor> targetOutput =
           std::make_shared<Tensor>(Array4D<float, 2, 1, 5, 5>{{{{{0.0f, 1.0f, 1.0f, 2.0f, 2.0f},
@@ -386,4 +386,5 @@ TEST_CASE("[cpu/scheduler] SequentialScheduler(backward)", "[scheduler][backward
                                                                  {6.0f, 6.0f, 6.0f, 7.0f, 7.0f},
                                                                  {7.0f, 7.0f, 7.0f, 7.0f, 7.0f}}}}});
 
-    REQUIRE_NOTHROW(scheduler.backward(predictedOutput - targetOutput));
+    REQUIRE_NOTHROW(scheduler.backward({targetOutput}));
+}
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