Fix test

Author: w1th0utnam3

.github/workflows/build.yml

@@ -104,13 +104,13 @@ jobs:
           key: ${{ runner.os }}-lib-all-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Build
         run: |
-          cargo build --manifest-path="splashsurf_lib/Cargo.toml" --all-targets --all-features
+          cargo build --package splashsurf_lib --all-targets --all-features
       - name: Run tests
         run: |
-          cargo test --manifest-path="splashsurf_lib/Cargo.toml" --all-features
+          cargo test --package splashsurf_lib --all-features
       - name: Run tests release mode
         run: |
-          cargo test --manifest-path="splashsurf_lib/Cargo.toml" --release --all-features
+          cargo test --package splashsurf_lib --release --all-features
 
   build_lib_no_default_features:
     name: Build splashsurf_lib with no default features
@@ -134,10 +134,10 @@ jobs:
           key: ${{ runner.os }}-lib-no-default-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Build
         run: |
-          cargo build --manifest-path="splashsurf_lib/Cargo.toml" --all-targets --no-default-features
+          cargo build --package splashsurf_lib --all-targets --no-default-features
       - name: Run tests
         run: |
-          cargo test --manifest-path="splashsurf_lib/Cargo.toml" --no-default-features
+          cargo test --package splashsurf_lib --no-default-features
 
   publish:
     name: Publish to crates.io

splashsurf_lib/tests/integration_tests/test_subdomains.rs

@@ -1,6 +1,7 @@
 use all_asserts::assert_range;
 use nalgebra::Vector3;
 use splashsurf_lib::GridDecompositionParameters;
+#[cfg(feature = "io")]
 use splashsurf_lib::io::vtk_format::write_vtk;
 use splashsurf_lib::marching_cubes::check_mesh_consistency;
 use std::path::Path;
@@ -34,7 +35,14 @@ macro_rules! generate_single_particle_test {
 
             let reconstruction =
                 splashsurf_lib::reconstruct_surface::<i64, f32>(&particle_positions, &parameters)?;
-            write_vtk(&reconstruction.mesh, &output_file, "mesh")?;
+            #[cfg(feature = "io")]
+            {
+                write_vtk(&reconstruction.mesh, &output_file, "mesh")?;
+            }
+            #[cfg(not(feature = "io"))]
+            {
+                let _ = &output_file;
+            }
 
             assert_range!(
                 $range_tri,