Improve CI (#3348)

* Remove superfluous test.

* Use remote_temp_dir instead of output_dir on remote.

* Read certificate from correct place.

* Adjust more places.

* Fix boolean.

* Improve cryptography setup.

* Fix java_keystore changes.

* Need to copy binary from remote.

* Use correct Python for serve script.

* Sleep before downloading.

* Use correct Python interpreter.

* Avoid failing shebang test.

* Fix permission error with macOS 11.1.

* Avoid shebang trouble.

tests/integration/targets/hg/tasks/run-tests.yml

@@ -6,14 +6,14 @@
 
 - name: set where to extract the repo
   set_fact:
-    checkout_dir: "{{ output_dir }}/hg_project_test"
+    checkout_dir: "{{ remote_tmp_dir }}/hg_project_test"
 
 - name: set what repo to use
   set_fact:
     repo: "http://hg.pf.osdn.net/view/a/ak/akasurde/hg_project_test"
 
-- name: clean out the output_dir
-  shell: rm -rf {{ output_dir }}/*
+- name: clean out the remote_tmp_dir
+  shell: rm -rf {{ remote_tmp_dir }}/*
 
 - name: verify that mercurial is installed so this test can continue
   shell: which hg