Apply suggested fix to internal/lifecycle/initialize_test.go from Copilot Autofix

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
Signed-off-by: Manuel Alejandro de Brito Fontes <aledbf@gmail.com>

Author: aledbf

internal/lifecycle/initialize_test.go

@@ -36,6 +36,7 @@ func TestRunInitializeCommand(t *testing.T) {
 		{"string form with substitution", cmdFromJSON(t, `"true # ${localWorkspaceFolder}"`), false},
 		{"string form non-zero exit", cmdFromJSON(t, `"false"`), true},
 		{"array form", cmdFromJSON(t, `["true"]`), false},
+		{"array form non-zero exit", cmdFromJSON(t, `["false"]`), true},
 		{"array form with substitution", cmdFromJSON(t, `["true", "${localWorkspaceFolder}"]`), false},
 		{"object form parallel", cmdFromJSON(t, `{"a": "true", "b": "true"}`), false},
 		{"object form parallel with failure", cmdFromJSON(t, `{"a": "true", "b": "false"}`), true},