Move test functions from Lilliput to Blefuscu

We normally represent bignums in big-endian order and there is no
reason to deviate here.
diff --git a/tests/suites/test_suite_mpi.function b/tests/suites/test_suite_mpi.function
index 34c23fe..f2702f1 100644
--- a/tests/suites/test_suite_mpi.function
+++ b/tests/suites/test_suite_mpi.function
@@ -602,9 +602,9 @@
     mbedtls_mpi X, Y, X0;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y ); mbedtls_mpi_init( &X0 );
 
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &X, input_X->x, input_X->len ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &Y, input_Y->x, input_Y->len ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &X0, input_X->x, input_X->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &X, input_X->x, input_X->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &Y, input_Y->x, input_Y->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &X0, input_X->x, input_X->len ) == 0 );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &X0 ) == 0 );
 
     TEST_ASSERT( mbedtls_mpi_copy( &Y, &X ) == 0 );
@@ -730,10 +730,10 @@
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
     mbedtls_mpi_init( &X0 ); mbedtls_mpi_init( &Y0 );
 
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &X, input_X->x, input_X->len ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &Y, input_Y->x, input_Y->len ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &X0, input_X->x, input_X->len ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &Y0, input_Y->x, input_Y->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &X, input_X->x, input_X->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &Y, input_Y->x, input_Y->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &X0, input_X->x, input_X->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &Y0, input_Y->x, input_Y->len ) == 0 );
 
     mbedtls_mpi_swap( &X, &Y );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &Y0 ) == 0 );
@@ -751,8 +751,8 @@
     mbedtls_mpi X, X0;
     mbedtls_mpi_init( &X ); mbedtls_mpi_init( &X0 );
 
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &X, input_X->x, input_X->len ) == 0 );
-    TEST_ASSERT( mbedtls_mpi_read_binary_le( &X0, input_X->x, input_X->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &X, input_X->x, input_X->len ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_binary( &X0, input_X->x, input_X->len ) == 0 );
 
     mbedtls_mpi_swap( &X, &X );
     TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &X0 ) == 0 );