Set selftest verbose flag to boost coverage
diff --git a/tests/suites/test_suite_shax.function b/tests/suites/test_suite_shax.function
index ec326fc..6b3ee9c 100644
--- a/tests/suites/test_suite_shax.function
+++ b/tests/suites/test_suite_shax.function
@@ -112,20 +112,20 @@
 /* BEGIN_CASE depends_on:MBEDTLS_SHA1_C:MBEDTLS_SELF_TEST */
 void sha1_selftest()
 {
-    TEST_ASSERT( mbedtls_sha1_self_test( 0 ) == 0 );
+    TEST_ASSERT( mbedtls_sha1_self_test( 1 ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:MBEDTLS_SELF_TEST */
 void sha256_selftest()
 {
-    TEST_ASSERT( mbedtls_sha256_self_test( 0 ) == 0 );
+    TEST_ASSERT( mbedtls_sha256_self_test( 1 ) == 0 );
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_SHA512_C:MBEDTLS_SELF_TEST */
 void sha512_selftest()
 {
-    TEST_ASSERT( mbedtls_sha512_self_test( 0 ) == 0 );
+    TEST_ASSERT( mbedtls_sha512_self_test( 1 ) == 0 );
 }
 /* END_CASE */