Looks like a simple mistake in the test suite.
I'd suggest to remove a line with no plausible meaning.
-Martin
diff -rup Module-Version-0.13.orig/t/app.t Module-Version-0.13/t/app.t
--- Module-Version-0.13.orig/t/app.t 2018-08-26 22:55:37.000000000 +0200
+++ Module-Version-0.13/t/app.t 2018-09-18 16:57:34.914127640 +0200
@@ -43,7 +43,6 @@ my $run = sub { $app->run() };
# check run() without input
$app->{'modules'} = ['Test::More'];
my $ver = $Test::More::VERSION;
- $ver = '1.3021350';
$ver =~ s/0+$//;
stdout_is( $run, "$ver\n", 'run() ok - regular' );
}