1 files changed, 3 insertions, 0 deletions
diff --git a/test/utils/rpc.ts b/test/utils/rpc.ts
index e331fa6d4..436e96423 100644
--- a/test/utils/rpc.ts
+++ b/test/utils/rpc.ts
@@ -40,6 +40,9 @@ export class RPC {
             method: 'POST',
             uri: `http://${this.host}:${this.port}`,
             body: payload,
+            headers: {
+                'content-type': 'application/json'
+            },
         };
         const bodyString = await request(opts);
         const body = JSON.parse(bodyString);