[inspector] added inspector test runner [part 1]

test/BUILD.gn

Index: test/BUILD.gn
diff --git a/test/BUILD.gn b/test/BUILD.gn
index 36ca7a204904b8e7759b72633639b081c7d92bf7..e24615a4437ae00327c84d83a4bdc53a68c714af 100644
--- a/test/BUILD.gn
+++ b/test/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("../gni/isolate.gni")
+import("//build_overrides/v8.gni")
 
 group("gn_all") {
   testonly = true
@@ -20,6 +21,10 @@ group("gn_all") {
     ]
   }
 
+  if (v8_enable_inspector_override) {
+    deps += [ "inspector:inspector-test" ]
+  }
+
   if (v8_test_isolation_mode != "noop") {
     deps += [
       ":benchmarks_run",