Fix Rubocop issue

lib/jwk_loader/config/config.rb

@@ -4,7 +4,7 @@ module JwkLoader
   class Config
     class ConfigurationNotFound < JwkLoader::Error
       def initialize(key)
-        super "Configuration for #{key} not available"
+        super("Configuration for #{key} not available")
       end
     end
 

spec/jwk-loader_spec.rb

@@ -3,7 +3,7 @@
 RSpec.describe JwkLoader do
   describe ".configure" do
     it "yields config" do
-      expect { |b| JwkLoader.configure(&b) }.to yield_with_args(::JwkLoader::Config)
+      expect { |b| JwkLoader.configure(&b) }.to yield_with_args(JwkLoader::Config)
     end
   end
 
@@ -14,7 +14,7 @@
 
     context "when no configuration is given" do
       it "returns a provider with the default configuration" do
-        expect(provider.cache).to be_a(::JwkLoader::MemoryCache)
+        expect(provider.cache).to be_a(JwkLoader::MemoryCache)
         expect(provider.cache_grace_period).to eq(900)
       end
     end

spec/jwk_loader/jwks_uri_provider_spec.rb

@@ -6,7 +6,7 @@
   end
 
   let(:token) { JWT.encode({ "pay" => "load" }, jwk.keypair, "RS512", { kid: jwk.kid }) }
-  let(:cache) { ::JwkLoader.cache }
+  let(:cache) { JwkLoader.cache }
 
   subject(:jwks_provider) { JwkLoader.for_uri(uri: "https://www.googleapis.com/oauth2/v3/certs", cache: cache) }
 

spec/spec_helper.rb

@@ -21,7 +21,7 @@
   end
 
   config.after(:each) do
-    ::JwkLoader.reset!
+    JwkLoader.reset!
   end
 end