enable running all tsserverProjectSystem tests

src/harness/unittests/tsserverProjectSystem.ts

@@ -474,6 +474,8 @@ namespace ts.projectSystem {
     }
 
     describe("tsserverProjectSystem", () => {
+        
+        describe("general functionality", () => {
         const commonFile1: FileOrFolder = {
             path: "/a/b/commonFile1.ts",
             content: "let x = 1"
@@ -6470,4 +6472,5 @@ namespace ts.projectSystem {
             verifyWatchedDirectories(/*useProjectAtRoot*/ false);
         });
     });
+    });
 }