fixes to update corridor

            refMldFile2 = os.path.join(

                self.testvDir, "mld_ref2", ReferenceMldFiles[tag]

            )

            with open(refMldFile2, "ab") as f:

            with open(refMldFile2, "w") as f:

                np.savetxt(f, mldWithTags, fmt="%s", delimiter=",")              

        else:

            print(f"\033[92mMLD Corridor passed for {tag} with max MLD diff of {diff.max()} \033[00m")