Update commit entity to point to valid commit page

app/serializers/commit_entity.rb

@@ -8,16 +8,16 @@ class CommitEntity < API::Entities::RepoCommit
   end
 
   expose :commit_url do |commit|
-    namespace_project_tree_url(
+    namespace_project_commit_url(
       request.project.namespace,
       request.project,
-      id: commit.id)
+      commit)
   end
 
   expose :commit_path do |commit|
-    namespace_project_tree_path(
+    namespace_project_commit_path(
       request.project.namespace,
       request.project,
-      id: commit.id)
+      commit)
   end
 end

spec/serializers/commit_entity_spec.rb

@@ -33,10 +33,12 @@ describe CommitEntity do
 
   it 'contains path to commit' do
     expect(subject).to include(:commit_path)
+    expect(subject[:commit_path]).to include "commit/#{commit.id}"
   end
 
   it 'contains URL to commit' do
     expect(subject).to include(:commit_url)
+    expect(subject[:commit_path]).to include "commit/#{commit.id}"
   end
 
   it 'needs to receive project in the request' do