Repository navigation

More ubuntu tests #727

Job	Run time
Test Build	23s
Test Browser on macOS (safari, default)	2m 1s
Test Browser on macOS (safari, main)	1m 35s
Test Browser on macOS (safari, disabled)	1m 40s
Test Browser on Linux (firefox, disabled)	25s
Test Browser on Linux (chrome, disabled)	21s
Test Shell (jsc, default)	3m 33s
Test Shell (spidermonkey, main)	1m 0s
Test Shell (spidermonkey, default)	5m 6s
Test Browser on Linux (firefox, main)	33s
Test Browser on Linux (chrome, main)	29s
Test Shell (v8, default)	2m 49s
Test Shell (spidermonkey, disabled)	2m 16s
Test Shell (v8, main)	44s
Test Shell (jsc, main)	51s
Test Shell (v8, disabled)	1m 33s
Test Browser on Linux (chrome, default)	29s
Test Shell (jsc, disabled)	1m 55s
Test Browser on Linux (firefox, default)	47s
	28m 30s