add logging specs

spec/features/logging_spec.cr

@@ -0,0 +1,31 @@
+require "../spec_helper"
+
+module Selenium::Command
+  describe "logging", tags: ["feature", "chrome"] do
+    it "#available_log_types" do
+      TestServer.route "/home", ""
+
+      with_session do |session|
+        session.navigate_to("http://localhost:3002/home")
+
+        available_log_types = session.available_log_types
+        available_log_types.should eq(["browser", "driver"])
+      end
+    end
+
+    it "#log" do
+      TestServer.route "/home", <<-HTML
+        <script>
+          console.warn("Hello, Console!");
+        </script>
+      HTML
+
+      with_session do |session|
+        session.navigate_to("http://localhost:3002/home")
+
+        logs = session.log("browser")
+        logs.any? { |log| log.level == "WARNING" && log.message.ends_with?("\"Hello, Console!\"") }.should be_truthy
+      end
+    end
+  end
+end