Scheduler: QUnit tests: ensure compatibility with Fluent and drop Generic theme testing #77345

Job	Run time
Check if tests should run	3s
Build DevExtreme	2m 4s
dataGrid (2/4) - fluent	8m 2s
scheduler / common (1/3) - fluent	6m 42s
accessibility - fluent	8m 1s
editors - fluent	8m 14s
material - compact	1m 58s
material	2m 28s
generic	2m 27s
common - fluent	3m 50s
dataGrid (4/4) - fluent	8m 39s
cardView - fluent	4m 41s
dataGrid (3/4) - fluent	9m 12s
dataGrid (1/4) - fluent	6m 54s
scheduler / common (2/3) - fluent	5m 37s
navigation - fluent	5m 18s
scheduler / timezones (Europe/Berlin) - fluent	3m 0s
scheduler / common (3/3) - fluent	45m 16s
scheduler / viewOffset (1/2) - fluent	5m 29s
scheduler / viewOffset (2/2) - fluent	5m 9s
scheduler / timezones (America/Los_Angeles) - fluent	2m 21s
merge-artifacts	6s
Send notifications	0s
	2h 25m 31s

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