Update test framework: fix run_tests.py to support all test files, add auto-import-check for test files

node_modules/mcp-evals/dist/metrics.d.ts

@@ -0,0 +1,23 @@
+export interface MetricsConfig {
+    metricsPort?: number;
+    otelExporterUrl?: string;
+    serviceName?: string;
+    debug?: boolean;
+    enableTracing?: boolean;
+    otelEndpoint?: string;
+}
+declare class Metrics {
+    private static instance;
+    private sdk;
+    private tracer;
+    private registry;
+    private metrics;
+    private metricsServer;
+    private constructor();
+    static initialize(metricsPort?: number, options?: {}): Metrics;
+}
+export declare const metrics: {
+    initialize: (metricsPort?: number, options?: {}) => Metrics;
+};
+export {};
+//# sourceMappingURL=metrics.d.ts.map