Add support for compiler experimental features in `snforge-test-colle…

…ctor`

commit-id:774bde45

revert previous commit

update snforge-test-collector

remove unused method

review update - forge test collector

extensions/scarb-snforge-test-collector/src/metadata.rs

@@ -1,5 +1,5 @@
 use anyhow::{anyhow, ensure, Context, Result};
-use cairo_lang_filesystem::db::{CrateSettings, Edition};
+use cairo_lang_filesystem::db::{CrateSettings, Edition, ExperimentalFeaturesConfig};
 use cairo_lang_project::AllCratesConfig;
 use cairo_lang_utils::ordered_hash_map::OrderedHashMap;
 use camino::{Utf8Path, Utf8PathBuf};
@@ -109,24 +109,25 @@ impl CompilationUnit<'_> {
             .components
             .iter()
             .map(|component| {
+                let pkg = self
+                    .metadata
+                    .get_package(&component.package)
+                    .unwrap_or_else(|| panic!("Failed to find = {} package", &component.package));
                 (
                     SmolStr::from(&component.name),
                     CrateSettings {
-                        edition: if let Some(edition) = self
-                            .metadata
-                            .get_package(&component.package)
-                            .unwrap_or_else(|| {
-                                panic!("Failed to find = {} package", component.package)
-                            })
-                            .edition
-                            .clone()
-                        {
+                        edition: if let Some(edition) = pkg.edition.clone() {
                             let edition_value = serde_json::Value::String(edition);
                             serde_json::from_value(edition_value).unwrap()
                         } else {
                             Edition::default()
                         },
-                        experimental_features: Default::default(),
+                        // TODO (#1040): replace this with a macro
+                        experimental_features: ExperimentalFeaturesConfig {
+                            negative_impls: pkg
+                                .experimental_features
+                                .contains(&String::from("negative_impls")),
+                        },
                     },
                 )
             })