Adapt tests to work on all possible minimum RSA key sizes

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 49e218c..ab3837e 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -3692,7 +3692,7 @@
 //#define MBEDTLS_ECP_FIXED_POINT_OPTIM      1 /**< Enable fixed-point speed-up */
 
 /* RSA OPTIONS */
-//#define MBEDTLS_RSA_MIN_KEY_SIZE           1024 /**<  Minimum RSA key size allowed in bits (Minimum possible value is 128 bits)*/
+//#define MBEDTLS_RSA_MIN_KEY_SIZE           1024 /**<  Minimum RSA key size allowed in bits (Minimum possible value is 128 bits) */
 
 /* Entropy options */
 //#define MBEDTLS_ENTROPY_MAX_SOURCES                20 /**< Maximum number of sources supported */