Add tests for clicking in status side panel

To prevent this from breaking again. All three tests would fail without the fix
from the previous commit.

pkg/integration/tests/status/click_to_focus.go

@@ -0,0 +1,35 @@
+package status
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var ClickToFocus = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Click in the status side panel to activate it",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo:    func(shell *Shell) {},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Files().Focus()
+		t.Views().Main().Lines(
+			Contains("No changed files"),
+		)
+
+		t.Views().Status().Click(0, 0)
+		t.Views().Status().IsFocused()
+		t.Views().Main().ContainsLines(
+			Contains(`   _`),
+			Contains(`  | |                     (_) |`),
+			Contains(`  | | __ _ _____   _  __ _ _| |_`),
+			Contains("  | |/ _` |_  / | | |/ _` | | __|"),
+			Contains(`  | | (_| |/ /| |_| | (_| | | |_`),
+			Contains(`  |_|\__,_/___|\__, |\__, |_|\__|`),
+			Contains(`                __/ | __/ |`),
+			Contains(`               |___/ |___/`),
+			Contains(``),
+			Contains(`Copyright `),
+		)
+	},
+})