testsuite: install Module::Install so that AnyEvent-I3/Makefile.PL works (#2940)

As per https://perlmaven.com/cant-locate-inc-module-install-in-inc, the inc/
directory should not be under version control.

fixes #2914

diff --git a/docs/testsuite b/docs/testsuite
index 4fa3e9e1dcaf650a5273fab5a455d4a29320f679..4f9cdbab06798d609cd1d06cbf528438ba837a11 100644 (file)
--- a/docs/testsuite
+++ b/docs/testsuite
@@ -83,6 +83,7 @@ $ cd ~/i3/testcases
 $ sudo apt-get install cpanminus
 $ sudo cpanm .
 $ cd ~/i3/AnyEvent-I3
+$ sudo cpanm Module::Install
 $ sudo cpanm .
 --------------------------------------------------------------------------------
 
@@ -93,6 +94,7 @@ If you don’t want to use cpanminus for some reason, the same works with cpan:
 $ cd ~/i3/testcases
 $ sudo cpan .
 $ cd ~/i3/AnyEvent-I3
+$ sudo cpan Module::Install
 $ sudo cpan .
 --------------------------------------------------------------------------------