diff --git a/test_implementation_3.py b/examples/multi_material_1d.py
similarity index 100%
rename from test_implementation_3.py
rename to examples/multi_material_1d.py
diff --git a/test_implementation_2.py b/examples/multi_material_2d.py
similarity index 100%
rename from test_implementation_2.py
rename to examples/multi_material_2d.py
diff --git a/test_implementation.py b/examples/multi_material_2d_bis.py
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rename from test_implementation.py
rename to examples/multi_material_2d_bis.py
diff --git a/test_implementation_transient.py b/examples/multi_material_transient.py
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rename from test_implementation_transient.py
rename to examples/multi_material_transient.py
diff --git a/test_one_material.py b/examples/multi_material_with_one_material.py
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rename from test_one_material.py
rename to examples/multi_material_with_one_material.py