Moved POLARSSL_FS_IO check to .function from .data
diff --git a/tests/suites/test_suite_mpi.function b/tests/suites/test_suite_mpi.function
index 9bb5f0b..9e8338d 100644
--- a/tests/suites/test_suite_mpi.function
+++ b/tests/suites/test_suite_mpi.function
@@ -85,7 +85,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_FS_IO */
 void mpi_read_file( int radix_X, char *input_file, char *input_A,
                     int result )
 {
@@ -118,7 +118,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_FS_IO */
 void mpi_write_file( int radix_X, char *input_X, int output_radix,
                      char *output_file )
 {