Shorten the prefix of the test case belongs to the fix quasi-reduction function

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/scripts/mbedtls_dev/bignum_mod_raw.py b/scripts/mbedtls_dev/bignum_mod_raw.py
index 69fe7b8..d197b54 100644
--- a/scripts/mbedtls_dev/bignum_mod_raw.py
+++ b/scripts/mbedtls_dev/bignum_mod_raw.py
@@ -56,7 +56,7 @@
     """Test cases for ecp quasi_reduction()."""
     symbol = "-"
     test_function = "mpi_mod_raw_fix_quasi_reduction"
-    test_name = "mbedtls_mpi_mod_raw_fix_quasi_reduction"
+    test_name = "fix_quasi_reduction"
     input_style = "fixed"
     arity = 1