Speed up tests

Author: christiangnrd

stdlib/REPL/test/repl.jl

@@ -1966,7 +1966,7 @@ end
 
 @testset "Dummy Pkg prompt" begin
     # do this in an empty depot to test default for new users
-    withenv("JULIA_DEPOT_PATH" => mktempdir(), "JULIA_LOAD_PATH" => nothing) do
+    withenv("JULIA_DEPOT_PATH" => mktempdir() * (Sys.iswindows() ? ";" : ":"), "JULIA_LOAD_PATH" => nothing) do
         prompt = readchomp(`$(Base.julia_cmd()[1]) --startup-file=no -e "using REPL; print(REPL.Pkg_promptf())"`)
         @test prompt == "(@v$(VERSION.major).$(VERSION.minor)) pkg> "
     end
@@ -1975,7 +1975,7 @@ end
     tmp_55850 = mktempdir()
     tmp_sym_link = joinpath(tmp_55850, "sym")
     symlink(tmp_55850, tmp_sym_link; dir_target=true)
-    withenv("JULIA_DEPOT_PATH" => tmp_sym_link, "JULIA_LOAD_PATH" => nothing) do
+    withenv("JULIA_DEPOT_PATH" => tmp_sym_link * (Sys.iswindows() ? ";" : ":"), "JULIA_LOAD_PATH" => nothing) do
         prompt = readchomp(`$(Base.julia_cmd()[1]) --startup-file=no -e "using REPL; print(REPL.projname(REPL.find_project_file()))"`)
         @test prompt == "@v$(VERSION.major).$(VERSION.minor)"
     end