add commit revert integration test

pkg/integration/tests/commit/revert.go

@@ -0,0 +1,37 @@
+package commit
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var Revert = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Reverts a commit",
+	ExtraCmdArgs: "",
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.CreateFile("myfile", "myfile content")
+		shell.GitAddAll()
+		shell.Commit("first commit")
+	},
+	Run: func(shell *Shell, input *Input, assert *Assert, keys config.KeybindingConfig) {
+		assert.CommitCount(1)
+
+		input.SwitchToCommitsWindow()
+
+		input.PressKeys(keys.Commits.RevertCommit)
+		assert.InConfirm()
+		assert.MatchCurrentViewTitle(Equals("Revert commit"))
+		assert.MatchCurrentViewContent(MatchesRegexp("Are you sure you want to revert \\w+?"))
+		input.Confirm()
+
+		assert.CommitCount(2)
+		assert.MatchHeadCommitMessage(Contains("Revert \"first commit\""))
+		input.PreviousItem()
+		assert.MatchMainViewContent(Contains("-myfile content"))
+		assert.FileSystemPathNotPresent("myfile")
+
+		input.Wait(10)
+	},
+})