enhancement(6394): use previous minor, fix log

Author: kaanyalti

pkg/testing/fixture_install.go

@@ -467,7 +467,7 @@ func (f *Fixture) simpleInstallRPM(ctx context.Context) ([]byte, error) {
 	// sudo apt-get install the deb
 	out, err := exec.CommandContext(ctx, "sudo", "rpm", "-Uvh", f.srcPackage).CombinedOutput() // #nosec G204 -- Need to pass in name of package
 	if err != nil {
-		return out, fmt.Errorf("apt install failed: %w output:%s", err, string(out))
+		return out, fmt.Errorf("rpm install failed: %w output:%s", err, string(out))
 	}
 
 	socketPath := "unix:///var/lib/elastic-agent/elastic-agent.sock"

testing/integration/endpoint_security_test.go

@@ -133,9 +133,8 @@ func getEndpointVersion(t *testing.T) string {
 // cleanup functions are set
 func testTamperProtectedDebRpmUpgrades(t *testing.T, info *define.Info, packageFormat string) {
 	ctx := context.Background()
-	upgradeables, err := upgradetest.GetUpgradableVersions()
+	upgradeFromVersion, err := upgradetest.PreviousMinor()
 	require.NoError(t, err)
-	upgradeFromVersion := upgradeables[0]
 	t.Logf("Preparing fixture with agent version %s", upgradeFromVersion.String())
 
 	startFixture, err := atesting.NewFixture(