Move some failing tests from pre-built fixtures to scenario-tester #703

Job	Run time
Ember Tests (16.x, ubuntu-latest)	1m 19s
discover_matrix	27s
Ember Tests (16.x, windows-latest)	3m 7s
lint-all-packages	39s
Ember Tests (14.x, ubuntu-latest)	1m 31s
Legacy Mocha Tests - 16.x	8m 55s
Ember Tests (14.x, windows-latest)	3m 3s
Legacy Mocha Tests - 14.x	11m 25s
Test Packages (16.x, ubuntu-latest)	1m 46s
ember-try for ember-cli-fastboot: ember-lts-3.16	1m 3s
Test Packages (16.x, windows-latest)	3m 36s
ember-try for ember-cli-fastboot: ember-lts-3.20	1m 14s
Test Packages (14.x, ubuntu-latest)	1m 28s
ember-try for ember-cli-fastboot: ember-lts-3.24	1m 33s
Test Packages (14.x, windows-latest)	3m 39s
ember-try for ember-cli-fastboot: ember-lts-3.28	1m 26s
ember-try for ember-cli-fastboot: ember-lts-4.4	54s
ember-try for ember-cli-fastboot: ember-release	1m 11s
ember-try for ember-cli-fastboot: ember-beta	1m 4s
ember-try for ember-cli-fastboot: ember-canary	1m 14s
ember-try for ember-cli-fastboot: ember-default-with-jquery	56s
ember-try for ember-cli-fastboot: ember-classic	1m 5s
ember-try for ember-cli-fastboot: embroider-safe	1m 34s
ember-try for ember-cli-fastboot: embroider-optimized	1m 1s
ember-try for ember-cli-fastboot: no-deprecations	1m 17s
ember-try for ember-cli-fastboot: ember-release-no-deprecations	1m 13s
	57m 40s

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