Move some failing tests from pre-built fixtures to scenario-tester #705

Job	Run time
Legacy Mocha Tests - 16.x	8m 59s
Legacy Mocha Tests - 14.x	10m 54s
lint-all-packages	37s
Test Packages (16.x, ubuntu-latest)	2m 14s
Ember Tests (16.x, ubuntu-latest)	1m 20s
discover_matrix	22s
Test Packages (16.x, windows-latest)	4m 4s
Ember Tests (16.x, windows-latest)	3m 18s
Test Packages (14.x, ubuntu-latest)	1m 33s
Ember Tests (14.x, ubuntu-latest)	1m 20s
ember-try for ember-cli-fastboot: ember-lts-3.16	1m 5s
Test Packages (14.x, windows-latest)	4m 32s
Ember Tests (14.x, windows-latest)	4m 8s
ember-try for ember-cli-fastboot: ember-lts-3.20	1m 13s
ember-try for ember-cli-fastboot: ember-lts-3.24	59s
ember-try for ember-cli-fastboot: ember-lts-3.28	1m 24s
ember-try for ember-cli-fastboot: ember-lts-4.4	1m 2s
ember-try for ember-cli-fastboot: ember-release	1m 15s
ember-try for ember-cli-fastboot: ember-beta	51s
ember-try for ember-cli-fastboot: ember-canary	1m 11s
ember-try for ember-cli-fastboot: ember-default-with-jquery	1m 20s
ember-try for ember-cli-fastboot: ember-classic	1m 1s
ember-try for ember-cli-fastboot: embroider-safe	58s
ember-try for ember-cli-fastboot: embroider-optimized	1m 29s
ember-try for ember-cli-fastboot: no-deprecations	1m 13s
ember-try for ember-cli-fastboot: ember-release-no-deprecations	1m 15s
fastboot-express-middleware	50s
fastboot-shoebox-test	49s
integration-tests	2m 2s
oneerror-per-visit	1m 8s
	1h 4m 26s

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