Removal and modification of tests

Changes for tests involving mbedtls_rsa_pkcs1_encrypt.
Removal of test in test_suite_rsa.function where
invalid mode is used. Also modification of other tests
to use the constant MBEDTLS_RSA_PUBLIC instead
of the mode variable.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 1182cc6..1eca314 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -103,22 +103,17 @@
 
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_encrypt( NULL, NULL, NULL,
-                                                       valid_mode,
+                                                       MBEDTLS_RSA_PUBLIC,
                                                        sizeof( buf ), buf,
                                                        buf ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_encrypt( &ctx, NULL, NULL,
-                                                       invalid_mode,
-                                                       sizeof( buf ), buf,
-                                                       buf ) );
-    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
-                            mbedtls_rsa_pkcs1_encrypt( &ctx, NULL, NULL,
-                                                       valid_mode,
+                                                       MBEDTLS_RSA_PUBLIC,
                                                        sizeof( buf ), NULL,
                                                        buf ) );
     TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
                             mbedtls_rsa_pkcs1_encrypt( &ctx, NULL, NULL,
-                                                       valid_mode,
+                                                       MBEDTLS_RSA_PUBLIC,
                                                        sizeof( buf ), buf,
                                                        NULL ) );