fix unit test error

Author: liubin04

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/clientrm/FederationClientInterceptor.java

@@ -365,7 +365,7 @@ public GetNewApplicationResponse getNewApplication(
         routerMetrics.succeededAppsCreated(stopTime - startTime);
         return response;
       }
-    } catch (IOException e) {
+    } catch (RetriableException e) {
       routerMetrics.incrAppsFailedCreated();
       RouterAuditLogger.logFailure(user.getShortUserName(), GET_NEW_APP, UNKNOWN,
           TARGET_CLIENT_RM_SERVICE, e.getMessage());
@@ -530,7 +530,7 @@ public SubmitApplicationResponse submitApplication(
         return response;
       }
 
-    } catch (IOException e) {
+    } catch (RetriableException e) {
       routerMetrics.incrAppsFailedSubmitted();
       RouterAuditLogger.logFailure(user.getShortUserName(), SUBMIT_NEW_APP, UNKNOWN,
           TARGET_CLIENT_RM_SERVICE, e.getMessage(), applicationId);