Issue #169: Update unit test to disable custom metrics. #586

Job	Run time
ci / check if job needs to run	4s
ci / prepare test matrix	19s
ci / MOODLE_311_STABLE - mariadb - php 7.3 - tool_cloudmetrics	2m 48s
ci / MOODLE_310_STABLE - pgsql - php 7.2 - tool_cloudmetrics	3m 15s
ci / MOODLE_35_STABLE - mariadb - php 7.1 - tool_cloudmetrics	3m 3s
ci / MOODLE_35_STABLE - pgsql - php 7.1 - tool_cloudmetrics	2m 32s
ci / MOODLE_35_STABLE - mariadb - php 7.2 - tool_cloudmetrics	3m 18s
ci / MOODLE_35_STABLE - pgsql - php 7.2 - tool_cloudmetrics	2m 54s
ci / MOODLE_36_STABLE - mariadb - php 7.1 - tool_cloudmetrics	2m 54s
ci / MOODLE_37_STABLE - pgsql - php 7.2 - tool_cloudmetrics	3m 5s
ci / MOODLE_38_STABLE - mariadb - php 7.3 - tool_cloudmetrics	3m 40s
ci / MOODLE_39_STABLE - mariadb - php 7.2 - tool_cloudmetrics	3m 8s
ci / MOODLE_39_STABLE - pgsql - php 7.2 - tool_cloudmetrics	2m 56s
ci / MOODLE_39_STABLE - mariadb - php 7.3 - tool_cloudmetrics	2m 57s
ci / MOODLE_400_STABLE - pgsql - php 7.3 - tool_cloudmetrics	3m 1s
ci / MOODLE_39_STABLE - pgsql - php 7.3 - tool_cloudmetrics	3m 21s
ci / MOODLE_401_STABLE - pgsql - php 7.4 - tool_cloudmetrics	3m 8s
ci / MOODLE_401_STABLE - mariadb - php 7.4 - tool_cloudmetrics	3m 15s
ci / MOODLE_401_STABLE - pgsql - php 8.0 - tool_cloudmetrics	3m 31s
ci / MOODLE_401_STABLE - mariadb - php 8.0 - tool_cloudmetrics	3m 17s
ci / Release to the Moodle plugin directory	0s
	56m 26s

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