Fix file api tests

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

spec/requests/api/files_spec.rb

@@ -49,9 +49,7 @@ describe API::API, api: true  do
     end
 
     it "should create a new file in project repo" do
-      Gitlab::Satellite::NewFileAction.any_instance.stub(
-        commit!: true,
-      )
+      expect_any_instance_of(Gitlab::Satellite::NewFileAction).to receive(:commit!).and_return(true)
 
       post api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(201)
@@ -64,9 +62,7 @@ describe API::API, api: true  do
     end
 
     it "should return a 400 if satellite fails to create file" do
-      Gitlab::Satellite::NewFileAction.any_instance.stub(
-        commit!: false,
-      )
+      expect_any_instance_of(Gitlab::Satellite::NewFileAction).to receive(:commit!).and_return(false)
 
       post api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(400)
@@ -84,9 +80,7 @@ describe API::API, api: true  do
     end
 
     it "should update existing file in project repo" do
-      Gitlab::Satellite::EditFileAction.any_instance.stub(
-        commit!: true,
-      )
+      expect_any_instance_of(Gitlab::Satellite::EditFileAction).to receive(:commit!).and_return(true)
 
       put api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(200)
@@ -99,8 +93,7 @@ describe API::API, api: true  do
     end
 
     it 'should return a 400 if the checkout fails' do
-      Gitlab::Satellite::EditFileAction.any_instance.stub(:commit!)
-        .and_raise(Gitlab::Satellite::CheckoutFailed)
+      expect_any_instance_of(Gitlab::Satellite::EditFileAction).to receive(:commit!).and_raise(Gitlab::Satellite::CheckoutFailed)
 
       put api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(400)
@@ -110,8 +103,7 @@ describe API::API, api: true  do
     end
 
     it 'should return a 409 if the file was not modified' do
-      Gitlab::Satellite::EditFileAction.any_instance.stub(:commit!)
-        .and_raise(Gitlab::Satellite::CommitFailed)
+      expect_any_instance_of(Gitlab::Satellite::EditFileAction).to receive(:commit!).and_raise(Gitlab::Satellite::CommitFailed)
 
       put api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(409)
@@ -119,8 +111,7 @@ describe API::API, api: true  do
     end
 
     it 'should return a 409 if the push fails' do
-      Gitlab::Satellite::EditFileAction.any_instance.stub(:commit!)
-        .and_raise(Gitlab::Satellite::PushFailed)
+      expect_any_instance_of(Gitlab::Satellite::EditFileAction).to receive(:commit!).and_raise(Gitlab::Satellite::PushFailed)
 
       put api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(409)
@@ -138,10 +129,7 @@ describe API::API, api: true  do
     end
 
     it "should delete existing file in project repo" do
-      Gitlab::Satellite::DeleteFileAction.any_instance.stub(
-        commit!: true,
-      )
-
+      expect_any_instance_of(Gitlab::Satellite::DeleteFileAction).to receive(:commit!).and_return(true)
       delete api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(200)
       expect(json_response['file_path']).to eq(file_path)
@@ -153,9 +141,7 @@ describe API::API, api: true  do
     end
 
     it "should return a 400 if satellite fails to create file" do
-      Gitlab::Satellite::DeleteFileAction.any_instance.stub(
-        commit!: false,
-      )
+      expect_any_instance_of(Gitlab::Satellite::DeleteFileAction).to receive(:commit!).and_return(false)
 
       delete api("/projects/#{project.id}/repository/files", user), valid_params
       expect(response.status).to eq(400)