[LyX/2.3.x] tex2lyx: add beamer test file

[Juergen Spitzmueller]

commit 910daa27e4842731284e371757caf3bf2d8e4864
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sat Mar 17 13:20:48 2018 +0100

    tex2lyx: add beamer test file
    
    (cherry picked from commit 63b67fee8329840f0fbbd75b8ec9321ba1243555)

 src/tex2lyx/Makefile.am                    |    2 +
 src/tex2lyx/test/CMakeLists.txt            |    1 +
 src/tex2lyx/test/beamer.lyx.lyx            | 4411 ++++++++++++++++++++++++++++
 src/tex2lyx/test/beamer.tex                |  706 +++++
 src/tex2lyx/test/runtests.py               |    1 +
 src/tex2lyx/test/test-insets-basic.lyx.lyx |    4 +-
 src/tex2lyx/test/test-insets.lyx.lyx       |    4 +-
 src/tex2lyx/test/test-structure.lyx.lyx    |    2 +-
 8 files changed, 5126 insertions(+), 5 deletions(-)