move junit config to test config

Author: diegomarquezp

src/main/resources/META-INF/native-image/com.google.cloud/google-cloud-spanner-jdbc/native-image.properties

@@ -7,6 +7,4 @@ Args = --initialize-at-build-time==com.google.cloud.spanner.IntegrationTestEnv,\
   com.google.cloud.spanner.Dialect$2,\
   com.google.cloud.spanner.Dialect$1,\
   com.google.spanner.admin.database.v1.DatabaseDialect,\
-  com.google.spanner.admin.database.v1.DatabaseDialect$1,\
-  org.junit.runners.MethodSorters,\
-  org.junit.runners.Parameterized
+  com.google.spanner.admin.database.v1.DatabaseDialect$1,\

src/test/resources/META-INF/native-image/com.google.cloud/google-cloud-spanner-jdbc/native-image.properties

@@ -1,2 +1,5 @@
 Args=--initialize-at-build-time=org.junit.runner.RunWith\
  --initialize-at-build-time=java.lang.annotation.Annotation\
+ --initialize-at-build-time=java.lang.annotation.Annotation\
+ --initialize-at-build-time=org.junit.runners.MethodSorters\
+ --initialize-at-build-time=org.junit.runners.Parameterized\