Some 'project' to 'repo' renaming

The term 'project' is legacy. We should try to use it as little as
possible. It was replaced by 'repo' or 'repository' a long while ago.

During router refactoring I was asked about renaming 'project' to
'repo', so I wanted to follow up accordingly.

Release-Notes: skip
Change-Id: I8efca30543d4cf06be8c918b0a156221767e34fb

polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.ts

diff --git a/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.ts b/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.ts
index a0d49c8..7e3b896 100644
--- a/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.ts
+++ b/polygerrit-ui/app/elements/core/gr-smart-search/gr-smart-search_test.ts
@@ -94,7 +94,7 @@
   });
 
   test('Autocompletes projects', () => {
-    stubRestApi('getSuggestedProjects').callsFake(() =>
+    stubRestApi('getSuggestedRepos').callsFake(() =>
       Promise.resolve({Polygerrit: {id: 'test' as UrlEncodedRepoName}})
     );
     return element.fetchProjects('project', 'pol').then(s => {