Kornel, it looks like the cmake update tests method misses these.
#LyX file created by tex2lyx 2.1.0dev
-\lyxformat 463
+\lyxformat 464
\begin_document
\begin_header
\textclass article
\use_geometry false
\use_package amsmath 2
\use_package amssymb 2
+\use_package cancel 0
\use_package esint 1
\use_package mathdots 0
\use_package mathtools 0
#LyX file created by tex2lyx 2.1.0dev
-\lyxformat 463
+\lyxformat 464
\begin_document
\begin_header
\textclass article
\use_geometry false
\use_package amsmath 2
\use_package amssymb 2
+\use_package cancel 0
\use_package esint 1
\use_package mathdots 0
\use_package mathtools 0
#LyX file created by tex2lyx 2.1.0dev
-\lyxformat 463
+\lyxformat 464
\begin_document
\begin_header
\textclass article
\use_geometry false
\use_package amsmath 2
\use_package amssymb 2
+\use_package cancel 0
\use_package esint 1
\use_package mathdots 0
\use_package mathtools 0