Added tests for electric visco-elastic models

[miguelmaso]

Changelog

• Added auxiliary functions to control when to print output
• Added electro visco-elastic simulation test

[github-actions]

Benchmark Results (Julia v1)

Time benchmarks

	main	6e9c252...	main / 6e9c252...
Constitutive models/Visco-elastic Ψ	0.0509 ± 0.025 ms	0.0499 ± 0.011 ms	1.02 ± 0.55
Constitutive models/Visco-elastic ∂Ψu	0.0667 ± 0.0033 ms	0.0656 ± 0.0036 ms	1.02 ± 0.075
Constitutive models/Visco-elastic ∂Ψuu	0.116 ± 0.017 ms	0.116 ± 0.016 ms	1 ± 0.2
Simulations/StaticMechanicalDirichlet	0.146 ± 0.0086 s	0.144 ± 0.0081 s	1.02 ± 0.083
Simulations/StaticMechanicalNeumann	0.132 ± 0.013 s	0.128 ± 0.013 s	1.03 ± 0.14
Simulations/ViscoElastic	8.58 s	8.4 s	1.02
Tensor algebra/Cofactor	0.07 ± 0.001 μs	0.07 ± 0.01 μs	1 ± 0.14
Tensor algebra/Det(A)Inv(A')	0.131 ± 0.01 μs	0.14 ± 0.01 μs	0.936 ± 0.098
Tensor algebra/δδ_λ_2d	30 ± 0 ns	30 ± 0 ns	1 ± 0
Tensor algebra/δδ_μ_2d	30 ± 0 ns	30 ± 0 ns	1 ± 0
time_to_load	2.73 ± 0.014 s	2.69 ± 0.016 s	1.01 ± 0.0078

Memory benchmarks

	main	6e9c252...	main / 6e9c252...
Constitutive models/Visco-elastic Ψ	1.25 k allocs: 0.0789 MB	1.25 k allocs: 0.0789 MB	1
Constitutive models/Visco-elastic ∂Ψu	1.37 k allocs: 0.0911 MB	1.37 k allocs: 0.0911 MB	1
Constitutive models/Visco-elastic ∂Ψuu	2.33 k allocs: 0.158 MB	2.33 k allocs: 0.158 MB	1
Simulations/StaticMechanicalDirichlet	1.59 M allocs: 0.114 GB	1.59 M allocs: 0.114 GB	1
Simulations/StaticMechanicalNeumann	1.41 M allocs: 0.0901 GB	1.41 M allocs: 0.0901 GB	1
Simulations/ViscoElastic	0.128 G allocs: 8.26 GB	0.128 G allocs: 8.26 GB	1
Tensor algebra/Cofactor	1 allocs: 0.0781 kB	1 allocs: 0.0781 kB	1
Tensor algebra/Det(A)Inv(A')	4 allocs: 0.25 kB	4 allocs: 0.25 kB	1
Tensor algebra/δδ_λ_2d	0 allocs: 0 B	0 allocs: 0 B
Tensor algebra/δδ_μ_2d	0 allocs: 0 B	0 allocs: 0 B
time_to_load	0.149 k allocs: 11.1 kB	0.149 k allocs: 11.1 kB	1