Made tests parallel

These tests raced against each other due to the i18n initialization
in the service. Now that has been moved to main, so there is no race
anymore.

wsl-pro-service/cmd/wsl-pro-service/main_test.go

@@ -64,6 +64,8 @@ func TestRunSignal(t *testing.T) {
 }
 
 func TestRun(t *testing.T) {
+	t.Parallel()
+
 	tests := map[string]struct {
 		runError         bool
 		usageErrorReturn bool
@@ -78,6 +80,8 @@ func TestRun(t *testing.T) {
 	for name, tc := range tests {
 		tc := tc
 		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
 			a := myApp{
 				done:             make(chan struct{}),
 				runError:         tc.runError,