Drop mysteryshack support

It's been unmaintained for years, so no point in keeping track of
compatibility.

tests/storage/servers/mysteryshack/.gitignore

@@ -1 +0,0 @@
-mysteryshack

tests/storage/servers/mysteryshack/__init__.py

@@ -1,79 +0,0 @@
-import os
-import shutil
-import subprocess
-import time
-
-import pytest
-import requests
-
-testserver_repo = os.path.dirname(__file__)
-make_sh = os.path.abspath(os.path.join(testserver_repo, "make.sh"))
-
-
-def wait():
-    for i in range(100):
-        try:
-            requests.get("http://127.0.0.1:6767/", verify=False)
-        except Exception as e:
-            # Don't know exact exception class, don't care.
-            # Also, https://github.com/kennethreitz/requests/issues/2192
-            if "connection refused" not in str(e).lower():
-                raise
-            time.sleep(2 ** i)
-        else:
-            return True
-    return False
-
-
-class ServerMixin:
-    @pytest.fixture(scope="session")
-    def setup_mysteryshack_server(self, xprocess):
-        def preparefunc(cwd):
-            return wait, ["sh", make_sh, "testserver"]
-
-        subprocess.check_call(["sh", make_sh, "testserver-config"])
-        xprocess.ensure("mysteryshack_server", preparefunc)
-
-        return (
-            subprocess.check_output(
-                [
-                    os.path.join(
-                        testserver_repo, "mysteryshack/target/debug/mysteryshack"
-                    ),
-                    "-c",
-                    "/tmp/mysteryshack/config",
-                    "user",
-                    "authorize",
-                    "testuser",
-                    "https://example.com",
-                    self.storage_class.scope + ":rw",
-                ]
-            )
-            .strip()
-            .decode()
-        )
-
-    @pytest.fixture
-    def get_storage_args(self, monkeypatch, setup_mysteryshack_server):
-        from requests import Session
-
-        monkeypatch.setitem(os.environ, "OAUTHLIB_INSECURE_TRANSPORT", "true")
-
-        old_request = Session.request
-
-        def request(self, method, url, **kw):
-            url = url.replace("https://", "http://")
-            return old_request(self, method, url, **kw)
-
-        monkeypatch.setattr(Session, "request", request)
-        shutil.rmtree("/tmp/mysteryshack/testuser/data", ignore_errors=True)
-        shutil.rmtree("/tmp/mysteryshack/testuser/meta", ignore_errors=True)
-
-        def inner(**kw):
-            kw["account"] = "testuser@127.0.0.1:6767"
-            kw["access_token"] = setup_mysteryshack_server
-            if self.storage_class.fileext == ".ics":
-                kw.setdefault("collection", "test")
-            return kw
-
-        return inner

tests/storage/servers/mysteryshack/install.sh

@@ -1,18 +0,0 @@
-#!/bin/sh
-set -ex
-cd "$(dirname "$0")"
-. ./variables.sh
-
-if [ "$CI" = "true" ]; then
-    curl -sL https://static.rust-lang.org/rustup.sh -o ~/rust-installer/rustup.sh
-    sh ~/rust-installer/rustup.sh --prefix=~/rust --spec=stable -y --disable-sudo 2> /dev/null
-fi
-
-if [ ! -d mysteryshack ]; then
-    git clone https://github.com/untitaker/mysteryshack
-fi
-
-pip install pytest-xprocess
-
-cd mysteryshack
-make debug-build  # such that first test doesn't hang too long w/o output

tests/storage/servers/mysteryshack/make.sh

@@ -1,9 +0,0 @@
-#!/bin/sh
-set -e
-
-# pytest-xprocess doesn't allow us to CD into a particular directory before
-# launching a command, so we do it here.
-cd "$(dirname "$0")"
-. ./variables.sh
-cd mysteryshack
-exec make "$@"

tests/storage/servers/mysteryshack/variables.sh

@@ -1 +0,0 @@
-export PATH="$PATH:$HOME/.cargo/bin/"