[GeoMechanicsApplication] Removed an unused test utility function (#13593)

The file comparison function was accidentally not removed as part of PR #13576.

Furthermore, two example Python unit test cases have been removed, as they contained sample checks only.

Author: avdg81

applications/GeoMechanicsApplication/tests/cpp_tests/custom_geometries/test_interface_geometry.cpp

@@ -286,7 +286,7 @@ KRATOS_TEST_CASE_IN_SUITE(InterfaceGeometry_ReturnsCorrectShapeFunctionValuesInN
 KRATOS_TEST_CASE_IN_SUITE(InterfaceGeometry_ReturnsCorrectShapeFunctionValuesInNodes_ForThreePlusThreeNodedPlanarGeometry,
                           KratosGeoMechanicsFastSuiteWithoutKernel)
 {
-    const auto geometry            = CreateThreePlusThreeNoded3DPlanarInterfaceGeometry();
+    const auto geometry                     = CreateThreePlusThreeNoded3DPlanarInterfaceGeometry();
     const auto local_coord_first_node_pair  = array_1d<double, 3>{0.0, 0.0, 0.0};
     const auto local_coord_second_node_pair = array_1d<double, 3>{1.0, 0.0, 0.0};
     const auto local_coord_third_node_pair  = array_1d<double, 3>{0.0, 1.0, 0.0};

applications/GeoMechanicsApplication/tests/cpp_tests/test_utilities.cpp

@@ -12,23 +12,10 @@
 
 #pragma once
 
-#include <filesystem>
-
-namespace Kratos::Testing
-{
-
-namespace Defaults
+namespace Kratos::Testing::Defaults
 {
 
 constexpr auto absolute_tolerance = 1.0e-12;
 constexpr auto relative_tolerance = 1.0e-6;
 
-} // namespace Defaults
-
-class TestUtilities
-{
-public:
-    static bool CompareFiles(const std::filesystem::path& rPath1, const std::filesystem::path& rPath2);
-};
-
-} // namespace Kratos::Testing
+} // namespace Kratos::Testing::Defaults

applications/GeoMechanicsApplication/tests/cpp_tests/test_utilities.h

@@ -118,12 +118,6 @@ def AssembleTestSuites():
                         KratosGeoMechanicsHydraulicHeads,
     ]
 
-    # Create an array with the selected tests
-    # nightSuite will contain the following tests:
-    # - testSmallExample
-    # - testNightlyFirstExample
-    # - testNightlySecondExample
-
     night_test_cases = [
                         KratosGeoMechanicsSettlementWorkflowCppRoute,
                         KratosGeoMechanicsSettlementWorkflowPyRoute,

applications/GeoMechanicsApplication/tests/test_GeoMechanicsApplication.py

@@ -163,11 +163,5 @@ def test_phases(self):
         # for i in range(len(top_nodes)):
         #     self.assertAlmostEqual(top_y_displacement[i], displacements[top_nodes[i]-1][1])
 
-    def testNightlyFirstExample(self):
-        self.assertEqual(True, True)
-
-    def testNightlySecondExample(self):
-        self.assertEqual(True, True)
-
 if __name__ == '__main__':
     KratosUnittest.main()