Fix ecp variant check

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 0b4cd4b..f254da9 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -1636,7 +1636,7 @@
 {
     mbedtls_ecp_variant variant = mbedtls_ecp_get_variant();
 
-#if defined(MBEDTLS_ECP_VARIANT_WITH_MPI_UINT)
+#if defined(MBEDTLS_ECP_WITH_MPI_UINT)
     TEST_EQUAL(variant, MBEDTLS_ECP_VARIANT_WITH_MPI_UINT);
 #else
     TEST_EQUAL(variant, MBEDTLS_ECP_VARIANT_WITH_MPI_STRUCT);