Remove `packageVersion("base") from tests (#6628)

Fixes #6588

Author: Meghansaha

tests/testthat/test-annotate.R

@@ -30,7 +30,6 @@ test_that("segment annotations transform with scales", {
 
 test_that("annotation_* has dummy data assigned and don't inherit aes", {
   skip_if_not_installed("maps")
-  skip_if(packageVersion("base") < "3.5.0")
   custom <- annotation_custom(zeroGrob())
   logtick <- annotation_logticks()
   usamap <- map_data("state")

tests/testthat/test-coord-map.R

@@ -1,7 +1,6 @@
 test_that("USA state map drawn", {
   skip_if_not_installed("mapproj") # required for coord_map()
   skip_if_not_installed("maps") # required for map_data()
-  skip_if(packageVersion("base") < "3.5.0")
   us_map <- map_data("usa")
   p_us <- ggplot(us_map, aes(x = long, y = lat, group = group))
   expect_doppelganger(
@@ -15,7 +14,6 @@ test_that("USA state map drawn", {
 test_that("coord_map scale position can be switched", {
   skip_if_not_installed("mapproj") # required for coord_map()
   skip_if_not_installed("maps") # required for map_data()
-  skip_if(packageVersion("base") < "3.5.0")
   us_map <- map_data("usa")
   p_us <- ggplot(us_map, aes(x = long, y = lat, group = group))
   expect_doppelganger(
@@ -31,7 +29,6 @@ test_that("coord_map scale position can be switched", {
 test_that("Inf is squished to range", {
   skip_if_not_installed("mapproj") # required for coord_map()
   skip_if_not_installed("maps") # required for mproject()
-  skip_if(packageVersion("base") < "3.5.0")
   d <- cdata(
     ggplot(data_frame(x = 0, y = 0)) +
       geom_point(aes(x,y)) +

tests/testthat/test-geom-hline-vline-abline.R

@@ -28,7 +28,6 @@ test_that("check h/v/abline transformed on basic projections", {
 test_that("curved lines in map projections", {
   skip_if_not_installed("mapproj") # required for coord_map()
   skip_if_not_installed("maps") # required for map_data()
-  skip_if(packageVersion("base") < "3.5.0")
   nz <- subset(map_data("nz"), region == "North.Island ")
   nzmap <- ggplot(nz, aes(long, lat, group = group)) +
     geom_path() +

tests/testthat/test-geom-quantile.R

@@ -1,5 +1,4 @@
 test_that("geom_quantile matches quantile regression", {
-  skip_if(packageVersion("base") < "3.6.0") # warnPartialMatchArgs didn't accept FALSE
   withr::local_options(
     warnPartialMatchArgs = FALSE,
     warnPartialMatchDollar = FALSE

tests/testthat/test-geom-smooth.R

@@ -24,7 +24,6 @@ test_that("geom_smooth works in both directions", {
 })
 
 test_that("default smoothing methods for small and large data sets work", {
-  skip_if(packageVersion("base") < "3.6.0") # warnPartialMatchArgs didn't accept FALSE
   withr::local_options(warnPartialMatchArgs = FALSE)
   # Numeric differences on the MLK machine on CRAN makes these test fail
   # on that particular machine