FEM: ccx unit tests, improve multiple material test name

src/Mod/Fem/CMakeLists.txt

@@ -176,8 +176,8 @@ SET(FemTestsCcx_SRCS
     femtest/data/ccx/cube_static_expected_values
     femtest/data/ccx/cube_static.FCStd
     femtest/data/ccx/cube.FCStd
+    femtest/data/ccx/mat_multiple.inp
     femtest/data/ccx/mat_nonlinear.inp
-    femtest/data/ccx/multimat.inp
     femtest/data/ccx/spine_thermomech.inp
     femtest/data/ccx/spine_thermomech.dat
     femtest/data/ccx/spine_thermomech.frd

src/Mod/Fem/TestFem.py

@@ -124,7 +124,7 @@ gf()
 
 ./bin/FreeCADCmd --run-test "femtest.app.test_femimport.TestObjectExistance.test_objects_existance"
 ./bin/FreeCADCmd --run-test "femtest.app.test_ccxtools.TestCcxTools.test_1_static_analysis"
-./bin/FreeCADCmd --run-test "femtest.app.test_ccxtools.TestCcxTools.test_2_static_multiple_material"
+./bin/FreeCADCmd --run-test "femtest.app.test_ccxtools.TestCcxTools.test_2_static_material_multiple"
 ./bin/FreeCADCmd --run-test "femtest.app.test_ccxtools.TestCcxTools.test_3_static_material_nonlinar"
 ./bin/FreeCADCmd --run-test "femtest.app.test_ccxtools.TestCcxTools.test_4_freq_analysis"
 ./bin/FreeCADCmd --run-test "femtest.app.test_ccxtools.TestCcxTools.test_5_thermomech_analysis"
@@ -168,7 +168,7 @@ import unittest
 unittest.TextTestRunner().run(unittest.TestLoader().loadTestsFromName("femtest.app.test_ccxtools.TestCcxTools.test_1_static_analysis"))
 
 import unittest
-unittest.TextTestRunner().run(unittest.TestLoader().loadTestsFromName("femtest.app.test_ccxtools.TestCcxTools.test_2_static_multiple_material"))
+unittest.TextTestRunner().run(unittest.TestLoader().loadTestsFromName("femtest.app.test_ccxtools.TestCcxTools.test_2_static_material_multiple"))
 
 import unittest
 unittest.TextTestRunner().run(unittest.TestLoader().loadTestsFromName("femtest.app.test_ccxtools.TestCcxTools.test_3_static_material_nonlinar"))

src/Mod/Fem/femtest/app/test_ccxtools.py

@@ -100,14 +100,14 @@ class TestCcxTools(unittest.TestCase):
         )
 
     # ********************************************************************************************
-    def test_2_static_multiple_material(
+    def test_2_static_material_multiple(
         self
     ):
         # set up
         from femexamples.material_multiple_twoboxes import setup
         setup(self.active_doc, "ccxtools")
         test_name = "multiple material"
-        base_name = "multimat"
+        base_name = "mat_multiple"
         analysis_dir = testtools.get_unit_test_tmp_dir(
             self.temp_dir,
             "FEM_ccx_multimat"