Various improvements #164

Job	Run time
setup-and-test (1.16.1, v1.7.6, Vanilla, false, true, false, true, kubernetes, true, false, false...	21m 27s
setup-and-test (1.16.1, v1.6.8, Vanilla, false, true, false, true, kubernetes, true, false, false...	23m 54s
setup-and-test (1.15.8, v1.7.6, Vanilla, false, true, false, true, kubernetes, true, false, false...	20m 2s
setup-and-test (1.15.8, v1.6.8, Vanilla, false, true, false, true, kubernetes, true, false, false...	20m 22s
setup-and-test (1.14.14, v1.7.6, Vanilla, false, true, false, true, kubernetes, true, false, fals...	20m 57s
setup-and-test (1.14.14, v1.6.8, Vanilla, false, true, false, true, kubernetes, true, false, fals...	24m 15s
	2h 10m 57s

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