fix some code styling issues

spec/lib/common/browser_spec.rb

@@ -64,7 +64,7 @@ describe Browser do
 
       it 'raises an error' do
         File.symlink('./testfile', config_file)
-        expect { browser.load_config(config_file) }.to raise_error("[ERROR] Config file is a symlink.")
+        expect { browser.load_config(config_file) }.to raise_error('[ERROR] Config file is a symlink.')
         File.unlink(config_file)
       end
     end

spec/lib/common/cache_file_store_spec.rb

@@ -92,7 +92,7 @@ describe CacheFileStore do
     it 'should create a unique storage dir' do
       storage_dirs = []
 
-      (1..5).each do |i|
+      (1..5).each do |_|
         storage_dirs << CacheFileStore.new(cache_dir).storage_path
       end
 

spec/lib/common/models/wp_theme/findable_spec.rb

@@ -121,7 +121,7 @@ describe 'WpTheme::Findable' do
           end
         end
 
-        stub_all_to_nil()
+        stub_all_to_nil
 
         expect { WpTheme.find(uri) }.to_not raise_error
       end
@@ -129,7 +129,7 @@ describe 'WpTheme::Findable' do
 
     context 'when the theme is not found' do
       it 'returns nil' do
-        stub_all_to_nil()
+        stub_all_to_nil
 
         expect(WpTheme.find(uri)).to be_nil
       end
@@ -137,7 +137,7 @@ describe 'WpTheme::Findable' do
 
     context 'when the theme is found' do
       it 'returns it, with the :found_from set' do
-        stub_all_to_nil()
+        stub_all_to_nil
         stub_request(:get, /.+\/the-oracle\/style.css$/).to_return(status: 200)
         expected = WpTheme.new(uri, name: 'the-oracle')
 

spec/lib/common/models/wp_version/findable_spec.rb

@@ -178,7 +178,7 @@ describe 'WpVersion::Findable' do
 
     context 'when no version found' do
       it 'returns nil' do
-        stub_all_to_nil()
+        stub_all_to_nil
         @expected = nil
       end
     end
@@ -188,8 +188,8 @@ describe 'WpVersion::Findable' do
       found_from = method[/^find_from_(.*)/, 1].sub('_', ' ')
 
       context "when found from #{found_from}" do
-        it "returns the correct WpVersion" do
-          stub_all_to_nil()
+        it 'returns the correct WpVersion' do
+          stub_all_to_nil
 
           allow(WpVersion).to receive(method).and_return(number)