fix test

Author: alessio-perugini

internal/integrationtest/compile_4/compile_test.go

@@ -17,13 +17,14 @@ package compile_test
 
 import (
 	"bytes"
+	"cmp"
 	"encoding/json"
 	"os/exec"
+	"slices"
 	"strings"
 	"testing"
 	"text/template"
 	"time"
-	"slices"
 
 	"github.com/arduino/arduino-cli/arduino/builder/cpp"
 	"github.com/arduino/arduino-cli/internal/integrationtest"
@@ -176,7 +177,7 @@ func testBuilderSketchWithSubfolders(t *testing.T, env *integrationtest.Environm
 	// Build
 	out, err := tryBuild(t, env, cli, "arduino:avr:leonardo")
 	importedLibraries := out.BuilderResult.UsedLibraries
-	slices.SortFunc(importedLibraries, func(x, y *builderLibrary) bool { return x.Name < y.Name })
+	slices.SortFunc(importedLibraries, func(x, y *builderLibrary) int { return cmp.Compare(x.Name, y.Name) })
 	require.NoError(t, err)
 	require.Equal(t, 3, len(importedLibraries))
 	require.Equal(t, "testlib1", importedLibraries[0].Name)
@@ -570,7 +571,11 @@ func testBuilderSketchWithConflictingLibraries(t *testing.T, env *integrationtes
 		out, err := tryBuild(t, env, cli, "arduino:avr:leonardo")
 		require.NoError(t, err)
 		libs := out.BuilderResult.UsedLibraries
-		slices.SortFunc(libs, func(x, y *builderLibrary) bool { return x.Name < y.Name })
+
+		// SortFunc sorts the slice x in ascending order as determined by the cmp function.
+		// This sort is not guaranteed to be stable. cmp(a, b) should return a negative number when a \< b,
+		// a positive number when a > b and zero when a == b.
+		slices.SortFunc(libs, func(x, y *builderLibrary) int { return cmp.Compare(x.Name, y.Name) })
 		require.Len(t, libs, 2)
 		require.Equal(t, "Bridge", libs[0].Name)
 		require.Equal(t, "IRremote", libs[1].Name)
@@ -583,7 +588,7 @@ func testBuilderSketchLibraryProvidesAllIncludes(t *testing.T, env *integrationt
 		out, err := tryBuild(t, env, cli, "arduino:avr:leonardo")
 		require.NoError(t, err)
 		libs := out.BuilderResult.UsedLibraries
-		slices.SortFunc(libs, func(x, y *builderLibrary) bool { return x.Name < y.Name })
+		slices.SortFunc(libs, func(x, y *builderLibrary) int { return cmp.Compare(x.Name, y.Name) })
 		require.Len(t, libs, 2)
 		require.Equal(t, "ANewLibrary-master", libs[0].Name)
 		require.Equal(t, "IRremote", libs[1].Name)