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_x509write.function b/tests/suites/test_suite_x509write.function
index a893b4e..be9e0ae 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -111,7 +111,7 @@
         TEST_ASSERT( mbedtls_x509write_csr_set_ns_cert_type( &req, cert_type ) == 0 );
 
     ret = mbedtls_x509write_csr_pem( &req, buf, sizeof( buf ),
-                             mbedtls_test_rnd_pseudo_rand, &rnd_info );
+                                     mbedtls_test_rnd_pseudo_rand, &rnd_info );
     TEST_ASSERT( ret == 0 );
 
     pem_len = strlen( (char *) buf );
@@ -125,14 +125,15 @@
     TEST_ASSERT( memcmp( buf, check_buf, pem_len - 1 ) == 0 );
 
     der_len = mbedtls_x509write_csr_der( &req, buf, sizeof( buf ),
-                            mbedtls_test_rnd_pseudo_rand, &rnd_info );
+                                         mbedtls_test_rnd_pseudo_rand,
+                                         &rnd_info );
     TEST_ASSERT( der_len >= 0 );
 
     if( der_len == 0 )
         goto exit;
 
     ret = mbedtls_x509write_csr_der( &req, buf, (size_t)( der_len - 1 ),
-                            mbedtls_test_rnd_pseudo_rand, &rnd_info );
+                                     mbedtls_test_rnd_pseudo_rand, &rnd_info );
     TEST_ASSERT( ret == MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
 
 exit:
@@ -175,7 +176,8 @@
         TEST_ASSERT( mbedtls_x509write_csr_set_ns_cert_type( &req, cert_type ) == 0 );
 
     ret = mbedtls_x509write_csr_pem( &req, buf, sizeof( buf ) - 1,
-                             mbedtls_test_rnd_pseudo_rand, &rnd_info );
+                                     mbedtls_test_rnd_pseudo_rand, &rnd_info );
+
     TEST_ASSERT( ret == 0 );
 
     pem_len = strlen( (char *) buf );
@@ -284,7 +286,8 @@
     TEST_ASSERT( memcmp( buf, check_buf, pem_len - 1 ) == 0 );
 
     der_len = mbedtls_x509write_crt_der( &crt, buf, sizeof( buf ),
-                                         mbedtls_test_rnd_pseudo_rand, &rnd_info );
+                                         mbedtls_test_rnd_pseudo_rand,
+                                         &rnd_info );
     TEST_ASSERT( der_len >= 0 );
 
     if( der_len == 0 )