diff --git a/cmd/root_test.go b/cmd/root_test.go
index fc052db60..a4e931a78 100644
--- a/cmd/root_test.go
+++ b/cmd/root_test.go
@@ -55,6 +55,9 @@ func tExec(t *testing.T, cmd *cobra.Command, out io.Reader, w io.WriteCloser) (o
 	if err := w.Close(); err != nil {
 		return output, fmt.Errorf("closing cmd's stdout: %v", err)
 	}
+
+	// NOTE: if cmd.Execute doesn't return, then this select (and
+	// therefore the one-second timeout, won't be reached)
 	select {
 	case <-done:
 	case <-time.After(time.Second * 1):
@@ -64,7 +67,7 @@ func tExec(t *testing.T, cmd *cobra.Command, out io.Reader, w io.WriteCloser) (o
 }
 
 // ExecNewRootCommand executes the pilosa root command with the given arguments
-// and returns it's output. It will fail if the command does not complete within
+// and returns its output. It will fail if the command does not complete within
 // 1 second.
 func ExecNewRootCommand(t *testing.T, args ...string) (string, error) {
 	out, w := io.Pipe()
diff --git a/server/config.go b/server/config.go
index 2d855dea6..34c155133 100644
--- a/server/config.go
+++ b/server/config.go
@@ -98,14 +98,14 @@ type Config struct {
 	// intentionally not defined as a flag... only exposed here so
 	// that we can limit the size while running tests in CI so we
 	// don't exhaust the goroutine limit.
-	WorkerPoolSize int
+	WorkerPoolSize int `toml:"-"`
 
 	// ImportWorkerPoolSize controls how many goroutines are created for
 	// processing importRoaring jobs. Defaults to runtime.NumCPU(). It is
 	// intentionally not defined as a flag... only exposed here so
 	// that we can limit the size while running tests in CI so we
 	// don't exhaust the goroutine limit.
-	ImportWorkerPoolSize int
+	ImportWorkerPoolSize int `toml:"-"`
 
 	Cluster struct {
 		// Disabled controls whether clustering functionality is enabled.