test(02-01): add test orchestration script for lab 01

- Created run-all-tests.sh to execute test suite in sequence
- Fail-fast approach stops on first failure (TDD RED phase)
- Provides summary and next steps (final verification)
- Can be run from any directory (uses absolute paths)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

labs/lab-01-iam/tests/run-all-tests.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+# Test Suite Runner: Lab 01 - IAM & Sicurezza
+# Runs all tests in sequence and provides summary
+# Usage: bash labs/lab-01-iam/tests/run-all-tests.sh
+
+set -euo pipefail
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+TEST_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$TEST_DIR/../.." && pwd)"
+
+cd "$PROJECT_ROOT"
+
+echo -e "${BLUE}========================================${NC}"
+echo -e "${BLUE}Lab 01 Test Suite${NC}"
+echo -e "${BLUE}========================================${NC}"
+echo ""
+
+# Array of test files in order
+declare -a tests=(
+    "$TEST_DIR/test-01-user-creation.sh"
+    "$TEST_DIR/test-02-docker-access.sh"
+    "$TEST_DIR/03-non-root-test.sh"
+)
+
+total_tests=${#tests[@]}
+passed_tests=0
+failed_tests=0
+
+for i in "${!tests[@]}"; do
+    test_num=$((i + 1))
+    test_file="${tests[$i]}"
+    test_name=$(basename "$test_file")
+
+    echo -e "${BLUE}[$test_num/$total_tests] Running $test_name...${NC}"
+
+    if bash "$test_file"; then
+        echo -e "${GREEN}✓ PASSED${NC}"
+        echo ""
+        ((passed_tests++)) || true
+    else
+        echo -e "${RED}✗ FAILED${NC}"
+        echo ""
+        ((failed_tests++)) || true
+        # Fail-fast: stop on first failure
+        break
+    fi
+done
+
+# Summary
+echo -e "${BLUE}========================================${NC}"
+echo -e "${BLUE}Test Suite Summary${NC}"
+echo -e "${BLUE}========================================${NC}"
+echo "Passed: $passed_tests/$total_tests"
+echo "Failed: $failed_tests/$total_tests"
+echo ""
+
+if [ $failed_tests -eq 0 ]; then
+    echo -e "${GREEN}All tests passed!${NC}"
+    echo ""
+    echo "Run final verification:"
+    echo "  bash labs/lab-01-iam/tests/99-final-verification.sh"
+    echo -e "${BLUE}========================================${NC}"
+    exit 0
+else
+    echo -e "${RED}Some tests failed${NC}"
+    echo -e "${BLUE}========================================${NC}"
+    exit 1
+fi