Drop test steps owned by the retiring explorers

The generic filter and range-selection suites already exercise their state
machines on surviving views, while focused-diff tests own range selection
and drag autoscroll. Remove only the repetitions that enter an explorer,
along with the staging-panel screen-mode test whose UI no longer survives.

Co-Authored-By: GitHub Copilot <copilot@github.com>

pkg/integration/tests/filter_and_search/nested_filter.go

@@ -71,19 +71,7 @@ var NestedFilter = NewIntegrationTest(NewIntegrationTestArgs{
 			FilterOrSearch("grape").
 			Lines(
 				Equals("A grape").IsSelected(),
-			).
-			PressEnter()
-
-		t.Views().PatchBuilding().
-			IsFocused().
-			FilterOrSearch("newline").
-			SelectedLine(Contains("No newline at end of file")).
-			PressEscape(). // cancel search
-			Tap(func() {
-				t.Views().Search().IsInvisible()
-			}).
-			// escape to commit-files view
-			PressEscape()
+			)
 
 		t.Views().CommitFiles().
 			IsFocused().

pkg/integration/tests/main_view/change_screen_mode_in_focused_diff.go

@@ -1,12 +1,12 @@
-package staging
+package main_view
 
 import (
 	"github.com/jesseduffield/lazygit/pkg/config"
 	. "github.com/jesseduffield/lazygit/pkg/integration/components"
 )
 
-var DiffChangeScreenMode = NewIntegrationTest(NewIntegrationTestArgs{
-	Description:  "Change the staged changes screen mode",
+var ChangeScreenModeInFocusedDiff = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Enlarge the focused diff, which leaves the pane showing the other side of the file behind",
 	ExtraCmdArgs: []string{},
 	Skip:         false,
 	SetupConfig:  func(config *config.AppConfig) {},
@@ -16,32 +16,30 @@ var DiffChangeScreenMode = NewIntegrationTest(NewIntegrationTestArgs{
 	Run: func(t *TestDriver, keys config.KeybindingConfig) {
 		t.Views().Files().
 			Focus().
-			PressEnter()
+			Press(keys.Universal.FocusMainView)
 
-		t.Views().Staging().
+		t.Views().Main().
 			IsFocused().
 			PressPrimaryAction().
 			Title(Equals("Unstaged changes")).
 			Content(Contains("+second line").DoesNotContain("+first line")).
 			PressTab()
 
-		t.Views().StagingSecondary().
+		t.Views().Secondary().
 			IsFocused().
 			Title(Equals("Staged changes")).
 			Content(Contains("+first line").DoesNotContain("+second line")).
 			Press(keys.Universal.NextScreenMode).
 			Tap(func() {
-				t.Views().AppStatus().
-					IsInvisible()
-				t.Views().Staging().
-					IsVisible()
+				// Half screen: the side panels are gone, the two diff panes are not.
+				t.Views().AppStatus().IsInvisible()
+				t.Views().Main().IsVisible()
 			}).
 			Press(keys.Universal.NextScreenMode).
 			Tap(func() {
-				t.Views().AppStatus().
-					IsInvisible()
-				t.Views().Staging().
-					IsInvisible()
+				// Full screen: the focused pane has the window to itself.
+				t.Views().AppStatus().IsInvisible()
+				t.Views().Main().IsInvisible()
 			})
 	},
 })

pkg/integration/tests/test_list.go

@@ -24,7 +24,6 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/reflog"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/remote"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/shell_commands"
-	"github.com/jesseduffield/lazygit/pkg/integration/tests/staging"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/stash"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/status"
 	"github.com/jesseduffield/lazygit/pkg/integration/tests/submodule"
@@ -377,6 +376,7 @@ var tests = []*components.IntegrationTest{
 	main_view.BuildPatchFromAReflogEntry,
 	main_view.BuildPatchFromAWholeCommitsDiff,
 	main_view.BuildPatchWithMixedSelections,
+	main_view.ChangeScreenModeInFocusedDiff,
 	main_view.ClickSelectsDiffLine,
 	main_view.CommitFromMainView,
 	main_view.CopyRowsThatAreNoDiffLine,
@@ -516,7 +516,6 @@ var tests = []*components.IntegrationTest{
 	shell_commands.EditHistory,
 	shell_commands.History,
 	shell_commands.OmitFromHistory,
-	staging.DiffChangeScreenMode,
 	stash.Apply,
 	stash.ApplyPatch,
 	stash.CreateBranch,

pkg/integration/tests/ui/range_select_with_autoscroll.go

@@ -33,15 +33,5 @@ var RangeSelectWithAutoscroll = NewIntegrationTest(NewIntegrationTestArgs{
 			OriginYAtLeast(3).
 			SelectedLineIdxAtLeast(3).
 			MouseRelease()
-
-		t.Views().Files().
-			Focus().
-			PressEnter()
-		t.Views().Staging().
-			ClickAndHold(1, 6).
-			MouseMoveToBottom(1).
-			OriginYAtLeast(3).
-			SelectedLineIdxAtLeast(9).
-			MouseRelease()
 	},
 })