[inspector] added reconnect method for tests

test/inspector/runtime/runtime-restore-expected.txt

Index: test/inspector/runtime/runtime-restore-expected.txt
diff --git a/test/inspector/runtime/runtime-restore-expected.txt b/test/inspector/runtime/runtime-restore-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec94bccb831100538c549719b7dcb046de172cea
--- /dev/null
+++ b/test/inspector/runtime/runtime-restore-expected.txt
@@ -0,0 +1,114 @@
+Checks that Runtime agent correctly restore its state.
+
+Running test: testExecutionContextsNotificationsOnRestore
+{
+    method : Runtime.executionContextCreated
+    params : {
+        context : {
+            id : 1
+            name : 
+            origin : 
+        }
+    }
+}
+will reconnect..
+{
+    method : Runtime.executionContextsCleared
+    params : {
+    }
+}
+{
+    method : Runtime.executionContextCreated
+    params : {
+        context : {
+            id : 1
+            name : 
+            origin : 
+        }
+    }
+}
+
+Running test: testConsoleAPICalledAfterRestore
+will reconnect..
+{
+    method : Runtime.consoleAPICalled
+    params : {
+        args : [
+            [0] : {
+                description : 42
+                type : number
+                value : 42
+            }
+        ]
+        executionContextId : <executionContextId>
+        stackTrace : {
+            callFrames : [
+                [0] : {
+                    columnNumber : 8
+                    functionName : 
+                    lineNumber : 0
+                    scriptId : <scriptId>
+                    url : 
+                }
+            ]
+        }
+        timestamp : <timestamp>
+        type : log
+    }
+}
+
+Running test: testSetCustomObjectFormatterEnabled
+will reconnect..
+{
+    method : Runtime.consoleAPICalled
+    params : {
+        args : [
+            [0] : {
+                className : Object
+                customPreview : {
+                    bindRemoteObjectFunctionId : {"injectedScriptId":1,"id":3}

[dgozman, 2017/02/27 18:44:56]

Filter out these ids to fight flakiness.

[kozy, 2017/02/27 19:57:13]

Done.

+                    formatterObjectId : {"injectedScriptId":1,"id":2}
+                    hasBody : true
+                    header : ["span",{},"Header formatted ",42]
+                }
+                description : Object
+                objectId : <objectId>
+                preview : {
+                    description : Object
+                    overflow : false
+                    properties : [
+                        [0] : {
+                            name : name
+                            type : number
+                            value : 42
+                        }
+                    ]
+                    type : object
+                }
+                type : object
+            }
+        ]
+        executionContextId : <executionContextId>
+        stackTrace : {
+            callFrames : [
+                [0] : {
+                    columnNumber : 8
+                    functionName : 
+                    lineNumber : 0
+                    scriptId : <scriptId>
+                    url : 
+                }
+            ]
+        }
+        timestamp : <timestamp>
+        type : log
+    }
+}
+{
+    id : <messageId>
+    result : {
+        result : {
+            type : undefined
+        }
+    }
+}