chore: Improve azure pipelines e2e error messages

Signed-off-by: Jorge Turrado <jorge_turrado@hotmail.es>

tests/scalers/azure/azure_pipelines/azure_pipelines_test.go

@@ -7,6 +7,7 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
+	"math"
 	"os"
 	"strconv"
 	"testing"
@@ -158,6 +159,17 @@ spec:
 `
 )
 
+func inject(src string) string {
+	l := len(src)
+	if l == 1 {
+		return src
+	}
+	mid := l / 2
+	left := int(math.Round(float64(mid)))
+	right := l - left
+	return src[:left] + "__" + src[right:]
+}
+
 func TestScaler(t *testing.T) {
 	// setup
 	t.Log("--- setting up ---")
@@ -167,11 +179,11 @@ func TestScaler(t *testing.T) {
 	require.NotEmpty(t, buildID, "AZURE_DEVOPS_BUILD_DEFINITION_ID env variable is required for azure blob test")
 	require.NotEmpty(t, poolName, "AZURE_DEVOPS_POOL_NAME env variable is required for azure blob test")
 
-	t.Logf("AZURE_DEVOPS_ORGANIZATION_URL=%s", base64.StdEncoding.EncodeToString([]byte(organizationURL)))
-	t.Logf("AZURE_DEVOPS_PAT=%s", base64.StdEncoding.EncodeToString([]byte(personalAccessToken)))
-	t.Logf("AZURE_DEVOPS_PROJECT=%s", base64.StdEncoding.EncodeToString([]byte(project)))
-	t.Logf("AZURE_DEVOPS_BUILD_DEFINITION_ID=%s", base64.StdEncoding.EncodeToString([]byte(buildID)))
-	t.Logf("AZURE_DEVOPS_POOL_NAME=%s", base64.StdEncoding.EncodeToString([]byte(poolName)))
+	t.Logf("AZURE_DEVOPS_ORGANIZATION_URL=%s", inject(organizationURL))
+	t.Logf("AZURE_DEVOPS_PAT=%s", inject(personalAccessToken))
+	t.Logf("AZURE_DEVOPS_PROJECT=%s", inject(project))
+	t.Logf("AZURE_DEVOPS_BUILD_DEFINITION_ID=%s", inject(buildID))
+	t.Logf("AZURE_DEVOPS_POOL_NAME=%s", inject(poolName))
 
 	connection := azuredevops.NewPatConnection(organizationURL, personalAccessToken)
 	clearAllBuilds(t, connection)