Tests: Add/update SPDX header (#24547)

tests/src/Mod/Mesh/App/CMakeLists.txt

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 add_executable(Mesh_tests_run
         Core/KDTree.cpp
         Exporter.cpp

tests/src/Mod/Mesh/App/Core/KDTree.cpp

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #include <gtest/gtest.h>
 #include <Mod/Mesh/App/Core/KDTree.h>
 

tests/src/Mod/Mesh/App/Exporter.cpp

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #include <gtest/gtest.h>
 #include <Base/FileInfo.h>
 #include <Base/Interpreter.h>

tests/src/Mod/Mesh/App/Importer.cpp

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #include <gtest/gtest.h>
 #include <Base/FileInfo.h>
 #include <Mod/Mesh/App/Core/IO/Reader3MF.h>

tests/src/Mod/Mesh/App/Mesh.cpp

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #include <gtest/gtest.h>
 #include <Mod/Mesh/App/Mesh.h>
 #include <Mod/Mesh/App/Core/Grid.h>

tests/src/Mod/Mesh/App/MeshFeature.cpp

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #include "gtest/gtest.h"
 #include <src/App/InitApplication.h>
 #include <Mod/Mesh/App/MeshFeature.h>

tests/src/Mod/Mesh/CMakeLists.txt

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 add_subdirectory(App)
 
 target_link_libraries(Mesh_tests_run