Fix abc test value

src/models/abc/particle.jl

@@ -81,7 +81,7 @@ Return the square of the particle's momentum as a `Float` value.
 Takes 7 effective FLOP.
 """
 function square(p::Particle)
-    return getMass(p.momentum)
+    return getMass2(p.momentum)
 end
 
 """

test/unit_tests_execution.jl

@@ -21,7 +21,7 @@ include("../examples/profiling_utilities.jl")
         ],
     ))
 
-    expected_result = 7.594784103424603e-5
+    expected_result = 5.5320505145845555e-5
 
     @testset "AB->AB no optimization" begin
         for _ in 1:10   # test in a loop because graph layout should not change the result