Line breaks for clarity

Author: joshuakarp

tests/bin/agent/start.test.ts

@@ -731,7 +731,10 @@ describe('start', () => {
             '--verbose',
           ],
           {
-            PK_SEED_NODES: `${seedNodeId}@${seedNodeHost}:${seedNodePort};${dummySeed1Id}@${dummySeed1Host}:${dummySeed1Port};<seed-nodes>`,
+            PK_SEED_NODES:
+              `${seedNodeId}@${seedNodeHost}:${seedNodePort};` +
+              `${dummySeed1Id}@${dummySeed1Host}:${dummySeed1Port};` +
+              `<seed-nodes>`,
           },
           dataDir,
         );