Auto merge of #18085 - ChayimFriedman2:gate-test, r=Veykril

feat: Provide an config option to not set `cfg(test)`

Fixes #17957.

editors/code/package.json

@@ -853,6 +853,16 @@
                     }
                 }
             },
+            {
+                "title": "cfg",
+                "properties": {
+                    "rust-analyzer.cfg.setTest": {
+                        "markdownDescription": "Set `cfg(test)` for local crates. Defaults to true.",
+                        "default": true,
+                        "type": "boolean"
+                    }
+                }
+            },
             {
                 "title": "general",
                 "properties": {

editors/code/src/config.ts

@@ -24,6 +24,7 @@ export class Config {
         "serverPath",
         "server",
         "files",
+        "cfg",
     ].map((opt) => `${this.rootSection}.${opt}`);
 
     private readonly requiresWindowReloadOpts = ["testExplorer"].map(