Remove a blank line in `install-wp-tests.sh` to check that tests are … #189

Job	Run time
Unit Test: PHP 7.3	21s
Integration Test: PHP 7.2 \| WP 6.2 (+ ms)	1m 2s
Unit Test: PHP 7.4	31s
Integration Test: PHP 7.3 \| WP trunk (+ ms)	50s
Unit Test: PHP 8.0	31s
Integration Test: PHP 7.4 \| WP latest	44s
Unit Test: PHP 8.1	19s
Integration Test: PHP 8.0 \| WP 6.2	46s
Unit Test: PHP 7.2	2m 17s
Integration Test: PHP 8.1 \| WP latest (+ ms)	50s
Unit Test: PHP 8.2	1m 20s
Integration Test: PHP 8.2 \| WP 6.3 (+ ms)	1m 24s
coveralls-finish	7s
	11m 2s

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