use tests layout

Author: scivision

CMakeLists.txt

@@ -81,7 +81,7 @@ DESTINATION cmake
 add_subdirectory(src)
 
 if(${PROJECT_NAME}_BUILD_TESTING)
-  add_subdirectory(src/tests)
+  add_subdirectory(tests)
 endif()
 
 include(cmake/pkgconf.cmake)

meson.build

@@ -35,5 +35,5 @@ netcdf_interface = declare_dependency(link_with: oonc, dependencies: netcdf)
 
 # --- testing
 if not meson.is_subproject()
-  subdir('src/tests')
+  subdir('tests')
 endif

src/tests/CMakeLists.txt renamed to tests/CMakeLists.txt

@@ -1,6 +1,6 @@
 program test_errors
 use, intrinsic:: iso_fortran_env, only: int64, int32, real32, real64, stderr=>error_unit
-use nc4fortran, only: netcdf_file, NF90_NOERR
+use nc4fortran, only: netcdf_file
 
 implicit none (type, external)