Bug 1416870 - Remove duplicate options when calculating test name in test data chooser
Bug 1416870 - Remove duplicate options when calculating test name in test data chooser

E.g. there is no need to show "asan asan"

edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder