Fixed some lints

spec/models/hardware_model_spec.rb

@@ -5,20 +5,20 @@ require_relative '../spec_helper'
 RSpec.describe(Hardware) do
   describe 'Hardware Creation' do
     it 'Hardware creation updates model count.' do
-      expect{ Hardware.create(name: 'Test Hardware', type: 'gpu') }.to(change { Hardware.count }.by(1))
+      expect { described_class.create(name: 'Test Hardware', type: 'gpu') }.to(change(described_class, :count).by(1))
     end
   end
 
   describe 'Hardware Read' do
-    before { Hardware.create(name: 'Test Hardware', type: 'gpu') }
+    before { described_class.create(name: 'Test Hardware', type: 'gpu') }
 
     it 'Hardware model has name.' do
-      hardware = Hardware.first()
+      hardware = described_class.first()
       expect(hardware.name).to(eq('Test Hardware'))
     end
 
     it 'Hardware model has scoring.' do
-      hardware = Hardware.first()
+      hardware = described_class.first()
       expect(hardware.type).to(eq('gpu'))
     end
   end