roachtest: ignore upstream flakes in activerecord and sequelize

Both of these tests are being worked on upstream to resolve the
flakiness. Since CockroachDB itself is not the cause of the flakes, we
ignore them so that these tests don't create unnecessary issues.

Release note: None

pkg/cmd/roachtest/tests/activerecord.go

@@ -229,9 +229,14 @@ func registerActiveRecord(r registry.Registry) {
 				results.failExpectedCount++
 				results.currentFailures = append(results.currentFailures, test)
 			case !pass && !expectedFailure:
-				results.results[test] = fmt.Sprintf("--- FAIL: %s (unexpected)", test)
-				results.failUnexpectedCount++
-				results.currentFailures = append(results.currentFailures, test)
+				// The test suite is flaky and work is being done upstream to stabilize
+				// it (https://github.com/cockroachdb/cockroach/issues/108938). Until
+				// that's done, we ignore all failures from this test.
+				// results.results[test] = fmt.Sprintf("--- FAIL: %s (unexpected)", test)
+				// results.failUnexpectedCount++
+				// results.currentFailures = append(results.currentFailures, test)
+				results.results[test] = fmt.Sprintf("--- SKIP: %s due to upstream flakes (https://github.com/cockroachdb/cockroach/issues/108938)", test)
+				results.ignoredCount++
 			}
 			results.runTests[test] = struct{}{}
 		}

pkg/cmd/roachtest/tests/sequelize.go

@@ -145,7 +145,11 @@ func registerSequelize(r registry.Registry) {
 		rawResultsStr := result.Stdout + result.Stderr
 		t.L().Printf("Test Results: %s", rawResultsStr)
 		if err != nil {
-			t.Fatal(err)
+			// The test suite is flaky and work is being done upstream to stabilize
+			// it (https://github.com/sequelize/sequelize/pull/15569). Until that's
+			// done, we ignore all failures from this test.
+			// t.Fatal(err)
+			t.L().Printf("ignoring failure (https://github.com/cockroachdb/cockroach/issues/108937): %s", err)
 		}
 	}