Dotty

Fix well-formed test for capabilities (#23393) #36030

Job	Run time
test_non_bootstrapped	32m 37s
test	1h 7m 38s
community_build_b	1h 19m 36s
community_build_a	57m 58s
community_build_c	1h 1m 44s
test_windows_full	48m 7s
test_sbt	14m 21s
MiMa	13m 48s
test_windows_fast	0s
build-msi-package	0s
test_java8	0s
build-sdk-package / build	9m 46s
test_scala2_library_tasty	0s
test-msi-package	0s
build-chocolatey-package / build	40s
test-chocolatey-package	0s
nightly_documentation	0s
open_issue_on_failure	0s
publish_nightly	0s
publish_release	0s
	6h 26m 15s

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