[inspector] async stacks for Promise.then calls...

test/inspector/debugger/async-instrumentation-expected.txt

Index: test/inspector/debugger/async-instrumentation-expected.txt
diff --git a/test/inspector/debugger/async-instrumentation-expected.txt b/test/inspector/debugger/async-instrumentation-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a92c9a00fb872cff1f3daa295dfba26996583884
--- /dev/null
+++ b/test/inspector/debugger/async-instrumentation-expected.txt
@@ -0,0 +1,43 @@
+Checks async instrumentation enabled in the middle.
+
+Running test: beforeAsyncTaskScheduled
+test (test.js:19:2)
+(anonymous) (expr1.js:0:0)
+
+test (test.js:21:2)
+(anonymous) (expr1.js:0:0)
+
+foo (test.js:10:2)
+-- Promise.resolve --
+test (test.js:20:2)
+(anonymous) (expr1.js:0:0)
+
+foo (test.js:12:2)
+-- Promise.resolve --
+test (test.js:20:2)
+(anonymous) (expr1.js:0:0)
+
+
+Running test: afterAsyncTaskScheduled
+test (test.js:19:2)
+(anonymous) (expr1.js:0:0)
+
+test (test.js:21:2)
+(anonymous) (expr1.js:0:0)
+
+foo (test.js:10:2)
+
+foo (test.js:12:2)
+
+
+Running test: afterAsyncTaskStarted
+test (test.js:19:2)
+(anonymous) (expr1.js:0:0)
+
+test (test.js:21:2)
+(anonymous) (expr1.js:0:0)
+
+foo (test.js:10:2)
+
+foo (test.js:12:2)
+