reset config

spec/pinecone_spec.rb

@@ -24,16 +24,16 @@
     context "without an api key" do
       let(:api_key) { nil }
 
-      before do
+      it "raises an error" do
+        expect {
+          Pinecone::Client.new.list_indexes
+        }.to raise_error(Pinecone::ConfigurationError)
+
+        # reset the configuration
         Pinecone.configure do |config|
-          config.api_key = nil
-          config.environment = nil
+          config.api_key = "foo"
         end
       end
-
-      it "raises an error" do
-        expect { Pinecone::Client.new.list_indexes }.to raise_error(Pinecone::ConfigurationError)
-      end
     end
   end
 end