test: add test for basic stash

pkg/integration/tests/stash/stash.go

@@ -0,0 +1,27 @@
+package stash
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var Stash = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Stashing files",
+	ExtraCmdArgs: "",
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.EmptyCommit("initial commit")
+		shell.CreateFile("file", "content")
+		shell.GitAddAll()
+	},
+	Run: func(shell *Shell, input *Input, assert *Assert, keys config.KeybindingConfig) {
+		assert.StashCount(0)
+
+		input.PressKeys(keys.Files.ViewStashOptions)
+		input.Confirm()
+		input.Confirm()
+
+		assert.StashCount(1)
+	},
+})