Replace Mirage Implementation #6564

Job	Run time
Lint	1m 3s
frontend Build With Embroider	2m 45s
frontend Build (20)	1m 46s
frontend Test With Embroider	4m 28s
lti-course-manager Build With Embroider	2m 27s
lti-dashboard Build With Embroider	2m 26s
test-app Build (20)	1m 21s
lti-course-manager Test With Embroider	54s
lti-course-manager Build (20)	1m 17s
lti-dashboard Test With Embroider	1m 19s
lti-dashboard Build (20)	1m 17s
frontend Test (20)	4m 56s
test-app Test (20)	2m 12s
lti-course-manager Test (20)	59s
lti-dashboard Test (20)	57s
Scan with UCSF SonarQube	34s
frontend Firefox latest-esr	4m 45s
test-app Firefox latest-esr	2m 36s
Browser Stack Test (frontend, BS_OSX_Safari)	14m 37s
Browser Stack Test (frontend, BS_IOS_SAFARI)	15m 42s
lti-course-manager Firefox latest-esr	1m 15s
Browser Stack Test (frontend, BS_CHROME_ANDROID)	10m 28s
lti-dashboard Firefox latest-esr	1m 12s
Browser Stack Test (test-app, BS_OSX_Safari)	5m 53s
Browser Stack Test (test-app, BS_IOS_SAFARI)	5m 21s
Browser Stack Test (test-app, BS_CHROME_ANDROID)	5m 8s
Test and Capture Screenshots (frontend)	11m 16s
Test and Capture Screenshots (test-app)	4m 46s
	1h 53m 40s

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