feat(tests): add integration tests for publish functionality and enhance error handling

integrationtests/run_tests.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Integration Test Runner for MCP Registry
+# This script runs the integration tests for the publish functionality
+
+echo "Running MCP Registry Integration Tests..."
+echo "========================================"
+
+# Change to the project directory (parent of integrationtests)
+cd "$(dirname "$0")/.."
+
+# Run integration tests with verbose output
+echo "Running publish integration tests..."
+go test -v ./integrationtests/...
+
+# Check exit code
+if [ $? -eq 0 ]; then
+    echo ""
+    echo "✅ All integration tests passed!"
+else
+    echo ""
+    echo "❌ Some integration tests failed!"
+    exit 1
+fi