diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b74dbac..42fe6449 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -141,7 +141,7 @@ jobs:
           make stats
 
       - name: test
-        if: ${{ matrix.config.configType != 'examples' }}
+        if: ${{ matrix.config.configType != 'examples' && matrix.config.configType != 'tcc' }}
         run: |
           make test
 
@@ -214,16 +214,7 @@ jobs:
           cp build\${{matrix.buildType}}\point.dll examples\
           build\${{matrix.buildType}}\qjs.exe examples\test_fib.js
           build\${{matrix.buildType}}\qjs.exe examples\test_point.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_bigint.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_bjson.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_closure.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_language.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_builtin.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_loop.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_std.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_worker.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_queue_microtask.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_module_detect.js
+          build\${{matrix.buildType}}\run-test262.exe -c tests.conf
           build\${{matrix.buildType}}\function_source.exe
 
   windows-clang:
@@ -247,16 +238,7 @@ jobs:
           cp build\${{matrix.buildType}}\point.dll examples\
           build\${{matrix.buildType}}\qjs.exe examples\test_fib.js
           build\${{matrix.buildType}}\qjs.exe examples\test_point.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_bigint.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_bjson.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_closure.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_language.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_builtin.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_loop.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_std.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_worker.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_queue_microtask.js
-          build\${{matrix.buildType}}\qjs.exe tests\test_module_detect.js
+          build\${{matrix.buildType}}\run-test262.exe -c tests.conf
           build\${{matrix.buildType}}\function_source.exe
 
   windows-ninja:
@@ -284,16 +266,7 @@ jobs:
           cp build\point.dll examples\
           build\qjs.exe examples\test_fib.js
           build\qjs.exe examples\test_point.js
-          build\qjs.exe tests\test_bigint.js
-          build\qjs.exe tests\test_bjson.js
-          build\qjs.exe tests\test_closure.js
-          build\qjs.exe tests\test_language.js
-          build\qjs.exe tests\test_builtin.js
-          build\qjs.exe tests\test_loop.js
-          build\qjs.exe tests\test_std.js
-          build\qjs.exe tests\test_worker.js
-          build\qjs.exe tests\test_queue_microtask.js
-          build\qjs.exe tests\test_module_detect.js
+          build\run-test262.exe -c tests.conf
           build\function_source.exe
 
   windows-mingw:
diff --git a/Makefile b/Makefile
index 1703c07a..a5a5734f 100644
--- a/Makefile
+++ b/Makefile
@@ -80,15 +80,7 @@ stats: $(QJS)
 	$(QJS) -qd
 
 test: $(QJS)
-	$(QJS) tests/test_bigint.js
-	$(QJS) tests/test_closure.js
-	$(QJS) tests/test_language.js
-	$(QJS) tests/test_builtin.js
-	$(QJS) tests/test_loop.js
-	$(QJS) tests/test_std.js
-	$(QJS) tests/test_worker.js
-	$(QJS) tests/test_queue_microtask.js
-	$(QJS) tests/test_module_detect.js
+	$(RUN262) -c tests.conf
 
 testconv: $(BUILD_DIR)/test_conv
 	$(BUILD_DIR)/test_conv
diff --git a/run-test262.c b/run-test262.c
index c962475a..e9ff83b0 100644
--- a/run-test262.c
+++ b/run-test262.c
@@ -74,6 +74,7 @@ enum test_mode_t {
     TEST_STRICT,           /* run tests as strict, skip nostrict tests */
     TEST_ALL,              /* run tests in both strict and nostrict, unless restricted by spec */
 } test_mode = TEST_DEFAULT_NOSTRICT;
+int local;
 int skip_async;
 int skip_module;
 int dump_memory;
@@ -1129,6 +1130,10 @@ void load_config(const char *filename, const char *ignore)
                 printf("%s:%d: ignoring %s=%s\n", filename, lineno, p, q);
                 continue;
             }
+            if (str_equal(p, "local")) {
+                local = str_equal(q, "yes");
+                continue;
+            }
             if (str_equal(p, "testdir")) {
                 char *testdir = compose_path(base_name, q);
                 enumerate_tests(testdir);
@@ -1512,6 +1517,11 @@ static int eval_buf(JSContext *ctx, const char *buf, size_t buf_len,
         JS_FreeCString(ctx, msg);
         free(s);
     }
+
+    if (local) {
+        js_std_loop(ctx);
+    }
+
     JS_FreeCString(ctx, error_name);
     JS_FreeValue(ctx, exception_val);
     JS_FreeValue(ctx, res_val);
@@ -1679,6 +1689,19 @@ void update_stats(JSRuntime *rt, const char *filename) {
     js_mutex_unlock(&stats_mutex);
 }
 
+JSContext *JS_NewCustomContext(JSRuntime *rt)
+{
+    JSContext *ctx;
+
+    ctx = JS_NewContext(rt);
+    if (ctx && local) {
+        js_init_module_std(ctx, "std");
+        js_init_module_os(ctx, "os");
+        js_init_module_bjson(ctx, "bjson");
+    }
+    return ctx;
+}
+
 int run_test_buf(const char *filename, char *harness, namelist_t *ip,
                  char *buf, size_t buf_len, const char* error_type,
                  int eval_flags, BOOL is_negative, BOOL is_async,
@@ -1692,7 +1715,8 @@ int run_test_buf(const char *filename, char *harness, namelist_t *ip,
     if (rt == NULL) {
         fatal(1, "JS_NewRuntime failure");
     }
-    ctx = JS_NewContext(rt);
+    js_std_init_handlers(rt);
+    ctx = JS_NewCustomContext(rt);
     if (ctx == NULL) {
         JS_FreeRuntime(rt);
         fatal(1, "JS_NewContext failure");
@@ -1721,6 +1745,7 @@ int run_test_buf(const char *filename, char *harness, namelist_t *ip,
     }
     js_agent_free(ctx);
     JS_FreeContext(ctx);
+    js_std_free_handlers(rt);
     JS_FreeRuntime(rt);
 
     atomic_inc(&test_count);
@@ -1757,8 +1782,10 @@ int run_test(const char *filename, int *msec)
         }
         harness = harnessbuf;
     }
-    namelist_add(ip, NULL, "sta.js");
-    namelist_add(ip, NULL, "assert.js");
+    if (!local) {
+        namelist_add(ip, NULL, "sta.js");
+        namelist_add(ip, NULL, "assert.js");
+    }
     /* extract the YAML frontmatter */
     desc = extract_desc(buf, '-');
     if (desc) {
@@ -1874,6 +1901,9 @@ int run_test(const char *filename, int *msec)
         atomic_inc(&test_skipped);
         ret = -2;
     } else {
+        if (local) {
+            is_module = JS_DetectModule(buf, buf_len);
+        }
         if (is_module) {
             eval_flags = JS_EVAL_TYPE_MODULE;
         } else {
@@ -2070,6 +2100,8 @@ int main(int argc, char **argv)
     BOOL is_test262_harness = FALSE;
     BOOL is_module = FALSE;
 
+    js_std_set_worker_new_context_func(JS_NewCustomContext);
+
     tls = &(ThreadLocalStorage){};
     init_thread_local_storage(tls);
     js_mutex_init(&stats_mutex);
diff --git a/tests.conf b/tests.conf
new file mode 100644
index 00000000..30ee794d
--- /dev/null
+++ b/tests.conf
@@ -0,0 +1,8 @@
+[config]
+local=yes
+verbose=yes
+testdir=tests
+
+[exclude]
+tests/microbench.js
+tests/test_worker_module.js
diff --git a/tests/test_std.js b/tests/test_std.js
index 7e9e2a42..b9ea6e2f 100644
--- a/tests/test_std.js
+++ b/tests/test_std.js
@@ -90,6 +90,7 @@ function test_popen()
 {
     var str, f, fname = "tmp_file.txt";
     var content = "hello world";
+    var cmd = isWin ? "type" : "cat";
 
     f = std.open(fname, "w");
     f.puts(content);
@@ -98,8 +99,8 @@ function test_popen()
     /* test loadFile */
     assert(std.loadFile(fname), content);
 
-    /* execute the 'cat' shell command */
-    f = std.popen("cat " + fname, "r");
+    /* execute shell command */
+    f = std.popen(cmd + " " + fname, "r");
     str = f.readAsString();
     f.close();