Fix some overflows in test (go-gitea#35315)

Fix go-gitea#35311

Author: lunny

models/repo/collaboration_test.go

@@ -85,8 +85,8 @@ func TestRepository_ChangeCollaborationAccessMode(t *testing.T) {
 
 	assert.NoError(t, repo_model.ChangeCollaborationAccessMode(db.DefaultContext, repo, unittest.NonexistentID, perm.AccessModeAdmin))
 
-	// Disvard invalid input.
-	assert.NoError(t, repo_model.ChangeCollaborationAccessMode(db.DefaultContext, repo, 4, perm.AccessMode(unittest.NonexistentID)))
+	// Discard invalid input.
+	assert.NoError(t, repo_model.ChangeCollaborationAccessMode(db.DefaultContext, repo, 4, perm.AccessMode(-1)))
 
 	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repo.ID})
 }

modules/templates/util_format_test.go

@@ -13,6 +13,6 @@ func TestCountFmt(t *testing.T) {
 	assert.Equal(t, "125", countFmt(125))
 	assert.Equal(t, "1.3k", countFmt(int64(1317)))
 	assert.Equal(t, "21.3M", countFmt(21317675))
-	assert.Equal(t, "45.7G", countFmt(45721317675))
+	assert.Equal(t, "45.7G", countFmt(int64(45721317675)))
 	assert.Empty(t, countFmt("test"))
 }