Corrected rollmean test

Author: GuidoMaggio

tests/testthat/test-rollMean.R

@@ -1,6 +1,6 @@
 test_that("roll_mean works", {
   # example 1
-  expect_equal(roll_mean(1:10,2), c(1,1.5:9))
+  expect_equal(roll_mean(1:10,2), c(1,1.5:9.5))
   # dummy with all equal values
   expect_equal(roll_mean(rep(1,100), k = 2), rep(1,100))
 })