Fix specs

spec/models/repository_spec.rb

@@ -407,7 +407,6 @@ describe Repository, models: true do
     context "when an author is specified" do
       it "uses the given email/name to set the commit's author" do
-
         expect do
           repository.update_file(user, 'README', 'Updated README!',
                                  branch_name: 'master',

spec/requests/api/files_spec.rb

@@ -127,7 +127,7 @@ describe API::Files, api: true  do
     end
     it "returns a 400 if editor fails to create file" do
-      allow_any_instance_of(Repository).to receive(:commit_file).
+      allow_any_instance_of(Repository).to receive(:create_file).
         and_return(false)
       post api("/projects/#{project.id}/repository/files", user), valid_params
@@ -215,7 +215,7 @@ describe API::Files, api: true  do
     end
     it "returns a 400 if fails to create file" do
-      allow_any_instance_of(Repository).to receive(:remove_file).and_return(false)
+      allow_any_instance_of(Repository).to receive(:delete_file).and_return(false)
       delete api("/projects/#{project.id}/repository/files", user), valid_params