Rubocop errors fixed

app/models/concerns/indexable.rb

@@ -20,7 +20,7 @@ module Indexable
         end
       end
 
-      if (instance_of?(DataciteDoi) || instance_of?(OtherDoi) ||instance_of?(Doi))
+      if instance_of?(DataciteDoi) || instance_of?(OtherDoi) || instance_of?(Doi)
         if aasm_state == "findable"
           # If following fields are modified or the state has changed (any other state to findable), send import message
           if saved_change_to_attribute?("related_identifiers") || saved_change_to_attribute?("creators") || saved_change_to_attribute?("funding_references") || aasm_state_changed?

spec/models/doi_spec.rb

@@ -31,48 +31,48 @@
     end
   end
 
-  describe 'after_commit' do
-    let(:doi) { create(:doi, aasm_state: 'findable') }
-    context 'when aasm_state is findable' do
+  describe "after_commit" do
+    let(:doi) { create(:doi, aasm_state: "findable") }
+    context "when aasm_state is findable" do
       before do
         allow(doi).to receive(:saved_change_to_attribute?).and_return(false)
         allow(doi).to receive(:aasm_state_changed?).and_return(false)
         allow(doi).to receive(:send_import_message)
       end
 
-      it 'sends import message if related_identifiers is modified' do
-        doi.related_identifiers = ['new_identifier']
+      it "sends import message if related_identifiers is modified" do
+        doi.related_identifiers = ["new_identifier"]
         doi.save
         expect(doi).to have_received(:send_import_message).with(doi.to_jsonapi)
       end
 
-      it 'sends import message if creators is modified' do
-        doi.creators = ['new_creator']
+      it "sends import message if creators is modified" do
+        doi.creators = ["new_creator"]
         doi.save
         expect(doi).to have_received(:send_import_message).with(doi.to_jsonapi)
       end
 
-      it 'sends import message if funding_references is modified' do
-        doi.funding_references = ['new_reference']
+      it "sends import message if funding_references is modified" do
+        doi.funding_references = ["new_reference"]
         doi.save
         expect(doi).to have_received(:send_import_message).with(doi.to_jsonapi)
       end
 
-      it 'sends import message if aasm_state is changed' do
-        doi.aasm_state = 'another_state'
+      it "sends import message if aasm_state is changed" do
+        doi.aasm_state = "another_state"
         doi.save
         expect(doi).to have_received(:send_import_message).with(doi.to_jsonapi)
       end
 
-      it 'does not send import message if none of the conditions are met' do
+      it "does not send import message if none of the conditions are met" do
         doi.save
         expect(doi).not_to have_received(:send_import_message)
       end
     end
 
-    context 'when aasm_state is not findable' do
-      it 'does not send import message' do
-        allow(doi).to receive(:aasm_state).and_return('not_findable')
+    context "when aasm_state is not findable" do
+      it "does not send import message" do
+        allow(doi).to receive(:aasm_state).and_return("not_findable")
         doi.save
         expect(doi).not_to have_received(:send_import_message)
       end