Fix cursor hiding in threaded run

auto_spin ensure was called right after starting to spin, so the
cursor was never actually hidden.

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Change log
 
 ## [v0.10.0] - unreleased
+* Fix cursor hiding in threaded run
 
 ### Added
 * Add Spinner#log method for logging messages above the spinner

lib/tty/spinner.rb

@@ -253,12 +253,10 @@ def auto_spin
             spin
             sleep(sleep_time)
           end
+        ensure
+          write(TTY::Cursor.show, false) if @hide_cursor
         end
       end
-    ensure
-      if @hide_cursor
-        write(TTY::Cursor.show, false)
-      end
     end
 
     # Checked if current spinner is paused

spec/unit/auto_spin_spec.rb

@@ -12,12 +12,17 @@
     expect(spinner).to have_received(:spin).at_least(5).times
   end
 
-  it "restores cursor when erorr is raised" do
+  it "restores cursor when error is raised" do
     spinner = TTY::Spinner.new(output: output, hide_cursor: true)
 
-    spinner.auto_spin {
-      raise "boom"
-    }
+    Thread.report_on_exception = false
+    begin
+      spinner.run do
+        raise "boom"
+      end
+    rescue RuntimeError
+    end
+    Thread.report_on_exception = true
 
     output.rewind
     expect(output.read).to start_with("\e[?25l").and end_with("\e[?25h")