Use the correct import path in import.lua

Think this is worth backporting to 1.16.5. Ughr.

projects/core/src/main/resources/data/computercraft/lua/rom/programs/import.lua

@@ -18,7 +18,7 @@ if #files == 0 then
   return
 end
 
-package.path = package.path .. "/rom/modules/internal/?.lua"
+package.path = package.path .. ";/rom/modules/internal/?.lua"
 
 local ok, err = require("cc.import")(files)
 if not ok and err then printError(err) end

projects/core/src/test/resources/test-rom/spec/programs/import_spec.lua

@@ -0,0 +1,36 @@
+local with_window = require "test_helpers".with_window
+
+describe("The import program", function()
+    local function create_file(name, contents)
+        local did_read = false
+        return {
+            getName = function() return name end,
+            read = function()
+                if did_read then return end
+                did_read = true
+                return contents
+            end,
+            close = function() end,
+        }
+    end
+    local function create_files(files) return { getFiles = function() return files end } end
+
+    it("uploads files", function()
+        fs.delete("transfer.txt")
+
+        with_window(32, 5, function()
+            local queue = {
+                { "import" },
+                { "file_transfer", create_files { create_file("transfer.txt", "empty file") } },
+            }
+            local co = coroutine.create(shell.run)
+            for _, event in pairs(queue) do assert(coroutine.resume(co, table.unpack(event))) end
+        end)
+
+        local handle = fs.open("transfer.txt", "rb")
+        local contents = handle.readAll()
+        handle.close()
+
+        expect(contents):eq("empty file")
+    end)
+end)

projects/core/src/test/resources/test-rom/spec/programs/shell_spec.lua

@@ -120,7 +120,7 @@ describe("The shell", function()
         local function create_files(files) return { getFiles = function() return files end } end
 
         it("suspends the read prompt", function()
-            fs.delete("tmp.txt")
+            fs.delete("transfer.txt")
 
             local win = with_window(32, 5, function()
                 local queue = {