Revert validation fix (the test was wrong not hte code)

Author: matthewpwilson

__tests__/api/BundleContent/BundleMocked.test.ts

@@ -213,9 +213,6 @@ describe("MockedFilesystemTests", () => {
     });
     it("should detect unwritable nodejsapps directory", () => {
         jest.spyOn(fs, "existsSync").mockImplementation((path: string) => {
-            if (path.endsWith("nodejsapps")) {
-              return false;
-            }
             if (path.endsWith("cics.xml")) {
               return false;
             }

src/api/BundleContent/NodejsappBundlePart.ts

@@ -160,16 +160,16 @@ export class NodejsappBundlePart extends BundlePart {
       catch (err) {
         throw new Error("cics-deploy requires write permission to: " + this.bundleDirectory);
       }
-      // Do we have write permission to the nodejsapp dir?
-      try {
+      return;
+    }
+    // Do we have write permission to the nodejsapp dir?
+    try {
         BundlePart.fs.accessSync(this.nodejsappsDir, BundlePart.fs.constants.W_OK);
-      }
-      catch (err) {
+    }
+    catch (err) {
         throw new Error("cics-deploy requires write permission to: " + this.nodejsappsDir);
-      }
     }
 
-
     // Does the .nodejsapp appear to be saveable?
     BundlePart.ensureFileSaveable(this.nodejsappFile, this.overwrite);