Test App fixup for BL8 only needed prior to 8.7.0 #458

Job	Run time
test (bl { "git": "https://github.com/projectblacklight/blacklight.git" } / rails ~> 8.0.0 / rb 3.3 / importmap-rails)	3m 7s
test (bl { "git": "https://github.com/projectblacklight/blacklight.git" } / rails ~> 8.0.0 / rb 3.3 / esbuild)	3m 21s
test (bl ~> 8.0 / rails 7.2.1 / rb 3.3 / importmap-rails, sprockets)	3m 52s
test (bl ~> 8.0 / rails 7.2.1 / rb 3.3 / importmap-rails, propshaft)	5m 5s
test (bl ~> 8.0 / rails 7.2.1 / rb 3.3 / esbuild, propshaft)	3m 18s
test (bl ~> 7.0 / rails 7.2.1 / rb 3.3 / esbuild, sprockets)	3m 45s
test (bl ~> 7.0 / rails 7.2.1 / rb 3.3 / esbuild, propshaft)	3m 14s
test (bl ~> 7.0 / rails 7.1.4 / rb 3.2 / esbuild, sprockets)	6m 26s
test (bl ~> 7.0 / rails 7.0.8.4 / rb 3.1 / esbuild, sprockets)	8m 23s
	40m 31s

Provide feedback