Add failing spec for mocked component without template #7409

Job	Run time
benchmark	1m 37s
Test compatibility with Primer ViewComponents (main)	16m 20s
test (6.1, 3.0, capture_patch_enabled)	25s
test (6.1, 3.0, capture_patch_disabled)	26s
test (7.0, 3.1, capture_patch_enabled)	25s
test (7.0, 3.1, capture_patch_disabled)	20s
test (7.1, 3.2, capture_patch_enabled)	20s
test (7.1, 3.2, capture_patch_disabled)	24s
test (7.2, 3.3, capture_patch_disabled)	21s
test (7.2, 3.3, capture_patch_enabled)	35s
test (8.0, 3.3, capture_patch_disabled)	20s
test (8.0, 3.3, capture_patch_enabled)	36s
test (8.0, 3.4, capture_patch_disabled)	20s
test (8.0, 3.4, capture_patch_enabled)	21s
test (main, head, capture_patch_disabled)	28s
test (main, head, capture_patch_enabled)	34s
coverage	0s
	23m 52s

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