[BUILD][TEST][SPARKR] add sparksubmitsuite to appveyor tests

## What changes were proposed in this pull request?

more file regex

## How was this patch tested?

Jenkins, AppVeyor

Author: Felix Cheung <felixcheung_m@hotmail.com>

Closes #19177 from felixcheung/rmoduletotest.

appveyor.yml

@@ -32,6 +32,7 @@ only_commits:
     - sql/core/src/main/scala/org/apache/spark/sql/api/r/
     - core/src/main/scala/org/apache/spark/api/r/
     - mllib/src/main/scala/org/apache/spark/ml/r/
+    - core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
 
 cache:
   - C:\Users\appveyor\.m2