Fix node selection test (#13817)

Author: raymondjacobson

packages/sdk/src/sdk/services/StorageNodeSelector/StorageNodeSelector.ts

@@ -89,12 +89,9 @@ export class StorageNodeSelector implements StorageNodeSelectorService {
       this.selectedNode = selectedNode
       this.logger.info('Selected content node', this.selectedNode)
     } else {
-      // No healthy nodes found. Fall back to a random node
-      this.selectedNode = this.getRandomNode()
-      this.logger.warn(
-        'No healthy nodes found. Falling back to random node:',
-        this.selectedNode
-      )
+      // No healthy nodes found
+      this.selectedNode = null
+      this.logger.warn('No healthy nodes found')
       this.selectionState = 'failed_all'
     }
 
@@ -130,17 +127,6 @@ export class StorageNodeSelector implements StorageNodeSelectorService {
     return selectedNode
   }
 
-  private getRandomNode(): string | null {
-    if (!this.orderedNodes?.length) {
-      this.orderedNodes = this.orderNodes(new Date().toString())
-    }
-    if (this.orderedNodes.length === 0) {
-      return null
-    }
-    const randomIndex = Math.floor(Math.random() * this.orderedNodes.length)
-    return this.orderedNodes[randomIndex] ?? null
-  }
-
   private orderNodes(key: string) {
     const endpoints = this.nodes.map((node) => node.endpoint.toLowerCase())
     const hash = new RendezvousHash(...endpoints)