Task queue also needs to stop if approaching DEV_MODE_QUERY_LIMIT queries

Errors while running automated tests (CI server)... unit_tests/cqc__function_sigs [time = 1.03 seconds]... Test cases run: 1/1, Passes: 1, Failures: 163, Exceptions: 0 unit_tests/___api_twitter [time = 0.09 seconds]... Failure (unknown counts) unit_tests/___demonstratr [time = 0.09 seconds]... Failure (unknown counts) unit_tests/___form_to_email [time = 0.14 seconds]... Test cases run: 1/1, Passes: 0, Failures: 1, Exceptions: 0 unit_tests/___search [time = 4.78 seconds]... Test cases run: 1/1, Passes: 397, Failures: 18, Exceptions: 0 unit_tests/___static_caching [time = 1.09 seconds]... Test cases run: 1/1, Passes: 6, Failures: 3, Exceptions: 0 unit_tests/___third_party_code [time = 0.13 seconds]... Test cases run: 1/1, Passes: 556, Failures: 36, Exceptions: 0 unit_tests/__extra_logging [time = 9.16 seconds]... Failure (unknown counts) unit_tests/__rate_limiting [time = 0.55 seconds]... Test cases run: 1/1, Passes: 6, Failures: 2, Exceptions: 0 unit_tests/__resource_closing [time = 0.10 seconds]... Failure (unknown counts) unit_tests/__sitemap [time = 4.77 seconds]... Test cases run: 1/1, Passes: 36873, Failures: 1, Exceptions: 0 unit_tests/_api_cloudinary [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_confluence [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_currency [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_ecommerce_shipping [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_ecommerce_tax [time = 0.91 seconds]... Failure (unknown counts) unit_tests/_api_geocoding [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_google_safe_browsing [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_google_search_console [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_ipstack [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_moz [time = 0.11 seconds]... Failure (unknown counts) unit_tests/_api_transifex [time = 0.17 seconds]... Failure (unknown counts) unit_tests/_api_translation [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_api_weather [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_cqc_nonbundled [time = 9.78 seconds]... Test cases run: 1/1, Passes: 58, Failures: 29, Exceptions: 0 unit_tests/_eslint [time = 0.09 seconds]... Test cases run: 1/1, Passes: 0, Failures: 1, Exceptions: 0 unit_tests/_protocol_imap [time = 0.09 seconds]... Failure (unknown counts) unit_tests/_tracker_categories [time = 0.27 seconds]... Test cases run: 1/1, Passes: 0, Failures: 113, Exceptions: 0 unit_tests/aaa_modularisation [time = 1.60 seconds]... Test cases run: 1/1, Passes: 0, Failures: 4, Exceptions: 0 unit_tests/adminzone_search [time = 0.21 seconds]... Test cases run: 1/1, Passes: 0, Failures: 1, Exceptions: 0 unit_tests/antispam [time = 10.62 seconds]... Test cases run: 1/1, Passes: 10, Failures: 1, Exceptions: 0 unit_tests/aws_ses [time = 0.09 seconds]... Test cases run: 1/1, Passes: 1, Failures: 0, Exceptions: 5 unit_tests/basic_code_formatting [time = 3.79 seconds]... Test cases run: 1/1, Passes: 141843, Failures: 3, Exceptions: 0 unit_tests/config [time = 5.02 seconds]... Test cases run: 1/1, Passes: 46342, Failures: 3, Exceptions: 0 unit_tests/cqc_adminzone [time = 2.60 seconds]... Test cases run: 1/1, Passes: 42, Failures: 3, Exceptions: 0 unit_tests/cqc_blocks [time = 0.93 seconds]... Test cases run: 1/1, Passes: 8, Failures: 1, Exceptions: 0 unit_tests/cqc_cms [time = 2.30 seconds]... Test cases run: 1/1, Passes: 5, Failures: 4, Exceptions: 0 unit_tests/cqc_cns [time = 2.30 seconds]... Test cases run: 1/1, Passes: 14, Failures: 4, Exceptions: 0 unit_tests/cqc_forum [time = 0.62 seconds]... Test cases run: 1/1, Passes: 2, Failures: 2, Exceptions: 0 unit_tests/cqc_hooks [time = 10.31 seconds]... Test cases run: 1/1, Passes: 37, Failures: 61, Exceptions: 0 unit_tests/cqc_rest [time = 0.91 seconds]... Test cases run: 1/1, Passes: 9, Failures: 6, Exceptions: 0 unit_tests/cqc_site [time = 2.30 seconds]... Test cases run: 1/1, Passes: 57, Failures: 39, Exceptions: 0 unit_tests/cqc_sources [time = 12.31 seconds]... Test cases run: 1/1, Passes: 140, Failures: 46, Exceptions: 0 unit_tests/dev_environment [time = 0.09 seconds]... Test cases run: 1/1, Passes: 1, Failures: 1, Exceptions: 0 unit_tests/download_indexing [time = 0.10 seconds]... Test cases run: 1/1, Passes: 3, Failures: 1, Exceptions: 0 unit_tests/lang_administrative_split [time = 0.57 seconds]... Test cases run: 1/1, Passes: 23645, Failures: 1, Exceptions: 0 unit_tests/lang_spelling [time = 2.04 seconds]... Test cases run: 1/1, Passes: 0, Failures: 1, Exceptions: 0 unit_tests/persistent_cache [time = 0.14 seconds]... Failure (unknown counts) unit_tests/rootkit_detection [time = 0.09 seconds]... Test cases run: 1/1, Passes: 0, Failures: 1, Exceptions: 0 unit_tests/search [time = 0.46 seconds]... Failure (unknown counts) unit_tests/spreadsheets [time = 0.12 seconds]... Test cases run: 1/1, Passes: 54, Failures: 0, Exceptions: 22 unit_tests/string_functions [time = 0.17 seconds]... Failure (unknown counts) unit_tests/strip_tags [time = 0.06 seconds]... Failure (unknown counts) unit_tests/suphp [time = 0.06 seconds]... Failure (unknown counts) unit_tests/tar [time = 0.06 seconds]... Failure (unknown counts) unit_tests/tempcode [time = 0.09 seconds]... Failure (unknown counts) unit_tests/tempcode_errors [time = 0.10 seconds]... Failure (unknown counts) unit_tests/tempcode_mistakes [time = 0.08 seconds]... Failure (unknown counts) unit_tests/template_no_unused [time = 0.08 seconds]... Failure (unknown counts) unit_tests/template_parameter_consistency [time = 0.08 seconds]... Failure (unknown counts) unit_tests/template_previews_meta [time = 0.08 seconds]... Failure (unknown counts) unit_tests/template_xss [time = 0.10 seconds]... Failure (unknown counts) unit_tests/templates [time = 0.08 seconds]... Failure (unknown counts) unit_tests/temporal [time = 0.08 seconds]... Failure (unknown counts) unit_tests/theme_images [time = 0.08 seconds]... Failure (unknown counts) unit_tests/themeini_images [time = 0.08 seconds]... Failure (unknown counts) unit_tests/themewizard_colours [time = 0.08 seconds]... Failure (unknown counts) unit_tests/ticket_types [time = 0.08 seconds]... Failure (unknown counts) unit_tests/transliteration [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorial_image_consistency [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorial_nav_paths [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorial_quality [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorial_title_structure [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorials_all_linked [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorials_broken_links [time = 0.08 seconds]... Failure (unknown counts) unit_tests/tutorials_codebox [time = 0.10 seconds]... Failure (unknown counts) unit_tests/type_sanitisation [time = 0.28 seconds]... Failure (unknown counts) unit_tests/ua_detection [time = 1.21 seconds]... Failure (unknown counts) unit_tests/unpack [time = 0.09 seconds]... Failure (unknown counts) unit_tests/upload_directory [time = 0.10 seconds]... Failure (unknown counts) unit_tests/url_management [time = 0.08 seconds]... Failure (unknown counts) unit_tests/url_monikers [time = 0.10 seconds]... Failure (unknown counts) unit_tests/urls_simplifier [time = 0.08 seconds]... Failure (unknown counts) unit_tests/us_english [time = 0.08 seconds]... Failure (unknown counts) unit_tests/usergroup_subscriptions [time = 0.08 seconds]... Failure (unknown counts) unit_tests/versioning [time = 0.08 seconds]... Failure (unknown counts) unit_tests/warnings [time = 0.08 seconds]... Failure (unknown counts) unit_tests/web_platform [time = 0.08 seconds]... Failure (unknown counts) unit_tests/webdav [time = 0.08 seconds]... Failure (unknown counts) unit_tests/webstandards [time = 0.08 seconds]... Failure (unknown counts) unit_tests/welcome_emails [time = 0.08 seconds]... Failure (unknown counts) unit_tests/wiki [time = 0.08 seconds]... Failure (unknown counts) unit_tests/xhtml_substr [time = 0.08 seconds]... Failure (unknown counts) unit_tests/xml_db [time = 0.08 seconds]... Failure (unknown counts) unit_tests/xml_sitemaps [time = 0.08 seconds]... Failure (unknown counts) unit_tests/xss [time = 0.08 seconds]... Failure (unknown counts) unit_tests/zip [time = 0.08 seconds]... Failure (unknown counts)