testsuite: disable postinstall

Otherwise Windows CI will get stuck.

Author: cmaglie

Diff for: internal/integrationtest/arduino-cli.go

@@ -261,12 +261,13 @@ func (inst *ArduinoCLIInstance) BoardListWatch() (commands.ArduinoCoreService_Bo
 }
 
 // PlatformInstall calls the "PlatformInstall" gRPC method.
-func (inst *ArduinoCLIInstance) PlatformInstall(ctx context.Context, packager, arch, version string) (commands.ArduinoCoreService_PlatformInstallClient, error) {
+func (inst *ArduinoCLIInstance) PlatformInstall(ctx context.Context, packager, arch, version string, skipPostInst bool) (commands.ArduinoCoreService_PlatformInstallClient, error) {
 	installCl, err := inst.cli.daemonClient.PlatformInstall(ctx, &commands.PlatformInstallRequest{
 		Instance:        inst.instance,
 		PlatformPackage: packager,
 		Architecture:    arch,
 		Version:         version,
+		SkipPostInstall: skipPostInst,
 	})
 	logCallf(">>> PlatformInstall(%v:%v %v)\n", packager, arch, version)
 	return installCl, err

Diff for: internal/integrationtest/daemon/daemon_compile_test.go

@@ -38,7 +38,7 @@ func TestDaemonCompileOptions(t *testing.T) {
 		fmt.Printf("INIT> %v\n", ir.GetMessage())
 	}))
 
-	plInst, err := inst.PlatformInstall(context.Background(), "arduino", "avr", "1.8.5")
+	plInst, err := inst.PlatformInstall(context.Background(), "arduino", "avr", "1.8.5", false)
 	require.NoError(t, err)
 	for {
 		msg, err := plInst.Recv()