tests: Reformating due to rnd_* renaming

Command to find the files in which lines have gone
larger than 79 characters due to the renaming:

grep '.\{80\}' \
    `git diff-tree --no-commit-id --name-only -r HEAD` \
    | grep "\<mbedtls_test_rnd_"

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_hmac_drbg.function b/tests/suites/test_suite_hmac_drbg.function
index b848266..512eeb8 100644
--- a/tests/suites/test_suite_hmac_drbg.function
+++ b/tests/suites/test_suite_hmac_drbg.function
@@ -129,8 +129,9 @@
     md_info = mbedtls_md_info_from_type( md_alg );
     TEST_ASSERT( md_info != NULL );
 
-    TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_rnd_std_rand, NULL,
-                                 NULL, 0 ) == 0 );
+    TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info,
+                                         mbedtls_test_rnd_std_rand, NULL,
+                                         NULL, 0 ) == 0 );
 
     TEST_ASSERT( mbedtls_hmac_drbg_write_seed_file( &ctx, path ) == ret );
     TEST_ASSERT( mbedtls_hmac_drbg_update_seed_file( &ctx, path ) == ret );