Mute logger in tests

Adapt test output to write to a StringIO.

This cleans up the the logging output.

test/clients/graphql/admin_test.rb

@@ -24,6 +24,7 @@ def build_client
           if !defined?("@api_version")
             ShopifyAPI::Clients::Graphql::Admin.new(session: @session)
           else
+            setup_mock_logger
             ShopifyAPI::Clients::Graphql::Admin.new(session: @session, api_version: @api_version)
           end
         end

test/clients/graphql/storefront_test.rb

@@ -24,6 +24,7 @@ def build_client
           if !defined?("@api_version")
             ShopifyAPI::Clients::Graphql::Storefront.new(@shop, @storefront_access_token)
           else
+            setup_mock_logger
             ShopifyAPI::Clients::Graphql::Storefront.new(@shop, @storefront_access_token, api_version: @api_version)
           end
         end

test/clients/rest/admin_test.rb

@@ -46,6 +46,7 @@ def test_path_starting_at_admin_overrides_default
   end
 
   def test_api_version_can_be_overrriden
+    setup_mock_logger
     @api_version = "2022-07"
     run_test(:post)
   end

test/context_test.rb

@@ -152,6 +152,7 @@ def test_send_a_warning_if_log_level_is_invalid
         scope: [],
         is_private: false,
         is_embedded: true,
+        logger: Logger.new(T.let(StringIO.new, StringIO)),
         session_storage: ShopifyAPI::Auth::FileSessionStorage.new,
         user_agent_prefix: nil,
         old_api_secret_key: nil,

test/test_helper.rb

@@ -84,6 +84,14 @@ def modify_context(
           log_level: :off,
         )
       end
+
+      sig { void }
+      def setup_mock_logger
+        string_log_output = T.let(StringIO.new, StringIO)
+        modify_context(logger: Logger.new(string_log_output))
+
+        string_log_output
+      end
     end
   end
 end

test/test_helpers/graphql_client.rb

@@ -4,6 +4,7 @@
 module TestHelpers
   module GraphQLClient
     def test_can_make_query
+      setup_mock_logger
       query = <<~QUERY
         {
           shop {
@@ -26,6 +27,7 @@ def test_can_make_query
     end
 
     def test_can_make_query_with_variables
+      setup_mock_logger
       query = <<~QUERY
         query myTestQuery($first: Int) {
           products (first: $first) {
@@ -55,6 +57,7 @@ def test_can_make_query_with_variables
     end
 
     def test_can_override_api_version
+      setup_mock_logger
       @api_version = "2022-01"
       query = <<~QUERY
         query myTestQuery($first: Int) {