diff --git a/tests/include/test/helpers.h b/tests/include/test/helpers.h
index 27e5599..578eb22 100644
--- a/tests/include/test/helpers.h
+++ b/tests/include/test/helpers.h
@@ -34,29 +34,29 @@
 
 #if defined(MBEDTLS_THREADING_C) && defined(MBEDTLS_THREADING_PTHREAD) && \
     defined(MBEDTLS_TEST_HOOKS)
-#define MBEDTLS_TEST_MUTEX_USAGE
+#    define MBEDTLS_TEST_MUTEX_USAGE
 #endif
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_exit       exit
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#    include <stdio.h>
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_snprintf     snprintf
+#    define mbedtls_calloc       calloc
+#    define mbedtls_free         free
+#    define mbedtls_exit         exit
+#    define mbedtls_time         time
+#    define mbedtls_time_t       time_t
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
 #include <stddef.h>
 #include <stdint.h>
 
 #if defined(MBEDTLS_BIGNUM_C)
-#include "mbedtls/bignum.h"
+#    include "mbedtls/bignum.h"
 #endif
 
 typedef enum
@@ -66,8 +66,7 @@
     MBEDTLS_TEST_RESULT_SKIPPED
 } mbedtls_test_result_t;
 
-typedef struct
-{
+typedef struct {
     mbedtls_test_result_t result;
     const char *test;
     const char *filename;
@@ -76,12 +75,11 @@
 #if defined(MBEDTLS_TEST_MUTEX_USAGE)
     const char *mutex_usage_error;
 #endif
-}
-mbedtls_test_info_t;
+} mbedtls_test_info_t;
 extern mbedtls_test_info_t mbedtls_test_info;
 
-int mbedtls_test_platform_setup( void );
-void mbedtls_test_platform_teardown( void );
+int mbedtls_test_platform_setup(void);
+void mbedtls_test_platform_teardown(void);
 
 /**
  * \brief           Record the current test case as a failure.
@@ -99,7 +97,7 @@
  * \param line_no   Line number where the failure originated.
  * \param filename  Filename where the failure originated.
  */
-void mbedtls_test_fail( const char *test, int line_no, const char* filename );
+void mbedtls_test_fail(const char *test, int line_no, const char *filename);
 
 /**
  * \brief           Record the current test case as skipped.
@@ -112,7 +110,7 @@
  * \param line_no   Line number where the test case was skipped.
  * \param filename  Filename where the test case was skipped.
  */
-void mbedtls_test_skip( const char *test, int line_no, const char* filename );
+void mbedtls_test_skip(const char *test, int line_no, const char *filename);
 
 /**
  * \brief       Set the test step number for failure reports.
@@ -124,12 +122,12 @@
  *
  * \param step  The step number to report.
  */
-void mbedtls_test_set_step( unsigned long step );
+void mbedtls_test_set_step(unsigned long step);
 
 /**
  * \brief       Reset mbedtls_test_info to a ready/starting state.
  */
-void mbedtls_test_info_reset( void );
+void mbedtls_test_info_reset(void);
 
 /**
  * \brief          This function decodes the hexadecimal representation of
@@ -149,12 +147,14 @@
  * \return         \c -1 if the output buffer is too small or the input string
  *                 is not a valid hexadecimal representation.
  */
-int mbedtls_test_unhexify( unsigned char *obuf, size_t obufmax,
-                           const char *ibuf, size_t *len );
+int mbedtls_test_unhexify(unsigned char *obuf,
+                          size_t obufmax,
+                          const char *ibuf,
+                          size_t *len);
 
-void mbedtls_test_hexify( unsigned char *obuf,
-                          const unsigned char *ibuf,
-                          int len );
+void mbedtls_test_hexify(unsigned char *obuf,
+                         const unsigned char *ibuf,
+                         int len);
 
 /**
  * Allocate and zeroize a buffer.
@@ -163,7 +163,7 @@
  *
  * For convenience, dies if allocation fails.
  */
-unsigned char *mbedtls_test_zero_alloc( size_t len );
+unsigned char *mbedtls_test_zero_alloc(size_t len);
 
 /**
  * Allocate and fill a buffer from hex data.
@@ -175,23 +175,22 @@
  *
  * For convenience, dies if allocation fails.
  */
-unsigned char *mbedtls_test_unhexify_alloc( const char *ibuf, size_t *olen );
+unsigned char *mbedtls_test_unhexify_alloc(const char *ibuf, size_t *olen);
 
-int mbedtls_test_hexcmp( uint8_t * a, uint8_t * b,
-                         uint32_t a_len, uint32_t b_len );
+int mbedtls_test_hexcmp(uint8_t *a, uint8_t *b, uint32_t a_len, uint32_t b_len);
 
 #if defined(MBEDTLS_PSA_CRYPTO_C) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
-#include "test/fake_external_rng_for_test.h"
+#    include "test/fake_external_rng_for_test.h"
 #endif
 
 #if defined(MBEDTLS_TEST_MUTEX_USAGE)
 /** Permanently activate the mutex usage verification framework. See
  * threading_helpers.c for information. */
-void mbedtls_test_mutex_usage_init( void );
+void mbedtls_test_mutex_usage_init(void);
 
 /** Call this function after executing a test case to check for mutex usage
  * errors. */
-void mbedtls_test_mutex_usage_check( void );
+void mbedtls_test_mutex_usage_check(void);
 #endif /* MBEDTLS_TEST_MUTEX_USAGE */
 
 #if defined(MBEDTLS_TEST_HOOKS)
@@ -206,8 +205,7 @@
  *
  * \note    If the check fails, fail the test currently being run.
  */
-void mbedtls_test_err_add_check( int high, int low,
-                                 const char *file, int line);
+void mbedtls_test_err_add_check(int high, int low, const char *file, int line);
 #endif
 
 #if defined(MBEDTLS_BIGNUM_C)
@@ -228,7 +226,7 @@
  * \return \c 0 on success, an \c MBEDTLS_ERR_MPI_xxx error code otherwise.
  */
 /* Since the library has exactly the desired behavior, this is trivial. */
-int mbedtls_test_read_mpi( mbedtls_mpi *X, int radix, const char *s );
+int mbedtls_test_read_mpi(mbedtls_mpi *X, int radix, const char *s);
 #endif /* MBEDTLS_BIGNUM_C */
 
 #endif /* TEST_HELPERS_H */