test: fix test titles

packages/keyring-api/src/api/v2/keyring-rpc.test.ts

@@ -2,7 +2,7 @@ import { KeyringRpcV2Method, isKeyringRpcV2Method } from './keyring-rpc';
 
 describe('isKeyringRpcV2Method', () => {
   it.each(Object.values(KeyringRpcV2Method))(
-    'returns true for: KeyringRpcV2Method.$s',
+    'returns true for: "%s"',
     (method) => {
       expect(isKeyringRpcV2Method(method)).toBe(true);
     },

packages/keyring-api/src/rpc.test.ts

@@ -2,7 +2,7 @@ import { KeyringRpcMethod, isKeyringRpcMethod } from './rpc';
 
 describe('isKeyringRpcMethod', () => {
   it.each(Object.values(KeyringRpcMethod))(
-    'returns true for: KeyringRpcMethod.$s',
+    'returns true for: "%s"',
     (method) => {
       expect(isKeyringRpcMethod(method)).toBe(true);
     },