simple test for item map

crates/ra_analysis/src/db.rs

@@ -8,7 +8,7 @@ use crate::{
     db,
     descriptors::{
         DescriptorDatabase, FnScopesQuery, FnSyntaxQuery, ModuleScopeQuery, ModuleTreeQuery,
-        SubmodulesQuery, ItemMapQuery,
+        SubmodulesQuery, ItemMapQuery, InputModuleItemsQuery,
     },
     symbol_index::SymbolIndex,
     syntax_ptr::SyntaxPtr,
@@ -86,6 +86,7 @@ salsa::database_storage! {
         impl DescriptorDatabase {
             fn module_tree() for ModuleTreeQuery;
             fn fn_scopes() for FnScopesQuery;
+            fn _input_module_items() for InputModuleItemsQuery;
             fn _item_map() for ItemMapQuery;
             fn _module_scope() for ModuleScopeQuery;
             fn _fn_syntax() for FnSyntaxQuery;