Add integration tests for rCE ENFORCE #12917

Job	Run time
Build Firestore	8m 15s
Build Firestore	8m 15s
Test Firestore Compatible on Firefox	5m 53s
Test Firestore Compatible on Firefox	5m 53s
Test Firestore (test:browser)	2m 20s
Test Firestore (test:browser)	2m 20s
Test Firestore on Firefox (test:browser)	8m 38s
Test Firestore on Firefox (test:browser)	8m 38s
Test Firestore (test:travis)	2m 19s
Test Firestore (test:travis)	2m 19s
Test Firestore on Firefox (test:travis)	4m 15s
Test Firestore on Firefox (test:travis)	4m 15s
Test Firestore Compatible	5m 7s
Test Firestore Compatible	5m 7s
Test Nightly Firestore with Chrome	0s
Test Nightly Firestore with Chrome	0s
Test Firestore (test:lite:browser)	1m 46s
Test Firestore (test:lite:browser)	1m 46s
Test Firestore on Firefox (test:lite:browser)	2m 4s
Test Firestore on Firefox (test:lite:browser)	2m 4s
Test Firestore (test:browser:prod:nameddb)	2m 20s
Test Firestore (test:browser:prod:nameddb)	2m 20s
Test Firestore on Firefox (test:browser:prod:nameddb)	9m 39s
Test Firestore on Firefox (test:browser:prod:nameddb)	9m 39s
Test Firestore (test:lite:browser:nameddb)	2m 5s
Test Firestore (test:lite:browser:nameddb)	1m 53s
Test Firestore on Firefox (test:lite:browser:nameddb)	2m 3s
Test Firestore on Firefox (test:lite:browser:nameddb)	2m 3s
Check all required tests results	1s
Check all required tests results	1s
	1h 53m 18s

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