diff --git a/chromedp_test.go b/chromedp_test.go
index 4d082a1..fce39ec 100644
--- a/chromedp_test.go
+++ b/chromedp_test.go
@@ -57,7 +57,7 @@ func testAllocate(t *testing.T, path string) *Res {
 func TestMain(m *testing.M) {
 	var err error
 
-	testdataDir = "file:" + os.Getenv("GOPATH") + "/src/github.com/knq/chromedp/testdata"
+	testdataDir = "file://" + os.Getenv("GOPATH") + "/src/github.com/knq/chromedp/testdata"
 
 	//pool, err = NewPool(PoolLog(log.Printf, log.Printf, log.Printf))
 	pool, err = NewPool()
diff --git a/nav_test.go b/nav_test.go
index a3958aa..9f38ff9 100644
--- a/nav_test.go
+++ b/nav_test.go
@@ -16,12 +16,14 @@ func TestNavigate(t *testing.T) {
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://www.google.com/"))
+	expurl, exptitle := testdataDir+"/image.html", "this is title"
+
+	err = c.Run(defaultContext, Navigate(expurl))
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, WaitVisible(`#hplogo`, ByID))
+	err = c.Run(defaultContext, WaitVisible(`#icon-brankas`, ByID))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -31,8 +33,8 @@ func TestNavigate(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if !strings.HasPrefix(urlstr, "https://www.google.") {
-		t.Errorf("expected to be on google domain, at: %s", urlstr)
+	if !strings.HasPrefix(urlstr, expurl) {
+		t.Errorf("expected to be on image.html, at: %s", urlstr)
 	}
 
 	var title string
@@ -40,7 +42,7 @@ func TestNavigate(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if !strings.Contains(strings.ToLower(title), "google") {
+	if title != exptitle {
 		t.Errorf("expected title to contain google, instead title is: %s", title)
 	}
 }
@@ -54,8 +56,8 @@ func TestNavigationEntries(t *testing.T) {
 	defer c.Release()
 
 	tests := []string{
-		"https://godoc.org/",
-		"https://golang.org/",
+		"form.html",
+		"image.html",
 	}
 
 	var entries []*page.NavigationEntry
@@ -75,7 +77,7 @@ func TestNavigationEntries(t *testing.T) {
 
 	expIdx, expEntries := 1, 2
 	for i, url := range tests {
-		err = c.Run(defaultContext, Navigate(url))
+		err = c.Run(defaultContext, Navigate(testdataDir+"/"+url))
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -112,7 +114,7 @@ func TestNavigateToHistoryEntry(t *testing.T) {
 
 	var entries []*page.NavigationEntry
 	var index int64
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"image.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -127,7 +129,7 @@ func TestNavigateToHistoryEntry(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Navigate("https://golang.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -165,7 +167,7 @@ func TestNavigateBack(t *testing.T) {
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -175,13 +177,13 @@ func TestNavigateBack(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	var expTitle string
-	err = c.Run(defaultContext, Title(&expTitle))
+	var exptitle string
+	err = c.Run(defaultContext, Title(&exptitle))
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Navigate("https://golang.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"image.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -206,8 +208,8 @@ func TestNavigateBack(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if title != expTitle {
-		t.Errorf("expected title to be %s, instead title is: %s", expTitle, title)
+	if title != exptitle {
+		t.Errorf("expected title to be %s, instead title is: %s", exptitle, title)
 	}
 }
 
@@ -219,7 +221,7 @@ func TestNavigateForward(t *testing.T) {
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -229,7 +231,7 @@ func TestNavigateForward(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Navigate("https://golang.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"image.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -239,8 +241,8 @@ func TestNavigateForward(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	var expTitle string
-	err = c.Run(defaultContext, Title(&expTitle))
+	var exptitle string
+	err = c.Run(defaultContext, Title(&exptitle))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -270,8 +272,8 @@ func TestNavigateForward(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if title != expTitle {
-		t.Errorf("expected title to be %s, instead title is: %s", expTitle, title)
+	if title != exptitle {
+		t.Errorf("expected title to be %s, instead title is: %s", exptitle, title)
 	}
 }
 
@@ -283,7 +285,7 @@ func TestStop(t *testing.T) {
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -302,7 +304,7 @@ func TestReload(t *testing.T) {
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -312,8 +314,8 @@ func TestReload(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	var expTitle string
-	err = c.Run(defaultContext, Title(&expTitle))
+	var exptitle string
+	err = c.Run(defaultContext, Title(&exptitle))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -333,8 +335,8 @@ func TestReload(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if title != expTitle {
-		t.Errorf("expected title to be %s, instead title is: %s", expTitle, title)
+	if title != exptitle {
+		t.Errorf("expected title to be %s, instead title is: %s", exptitle, title)
 	}
 }
 
@@ -346,7 +348,7 @@ func TestCaptureScreenshot(t *testing.T) {
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"image.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -382,7 +384,7 @@ func TestAddOnLoadScript(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -421,7 +423,7 @@ func TestRemoveOnLoadScript(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"form.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -436,11 +438,12 @@ func TestLocation(t *testing.T) {
 	t.Parallel()
 
 	var err error
+	expurl := testdataDir + "/" + "form.html"
 
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(expurl))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -450,14 +453,14 @@ func TestLocation(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	var url string
-	err = c.Run(defaultContext, Location(&url))
+	var urlstr string
+	err = c.Run(defaultContext, Location(&urlstr))
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	if url != "https://godoc.org/" {
-		t.Fatalf("expected url to be https://godoc.org/ ,got: %s", url)
+	if urlstr != expurl {
+		t.Fatalf("expected to be on form.html,got: %s", urlstr)
 	}
 }
 
@@ -465,11 +468,12 @@ func TestTitle(t *testing.T) {
 	t.Parallel()
 
 	var err error
+	expurl, exptitle := testdataDir+"/image.html", "this is title"
 
 	c := testAllocate(t, "")
 	defer c.Release()
 
-	err = c.Run(defaultContext, Navigate("https://godoc.org/"))
+	err = c.Run(defaultContext, Navigate(expurl))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -485,7 +489,7 @@ func TestTitle(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	if title != "GoDoc" {
-		t.Fatalf("expected title to be GoDoc, got: %s", title)
+	if title != exptitle {
+		t.Fatalf("expected title to be %s, got: %s", exptitle, title)
 	}
 }
diff --git a/query_test.go b/query_test.go
index 01cb3b4..1bcf36d 100644
--- a/query_test.go
+++ b/query_test.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/knq/chromedp/cdp"
 	"github.com/knq/chromedp/cdp/css"
@@ -601,7 +602,7 @@ func TestClick(t *testing.T) {
 				t.Fatalf("got error: %v", err)
 			}
 
-			err = c.Run(defaultContext, WaitVisible("#logo", ByID))
+			err = c.Run(defaultContext, WaitVisible("#icon-brankas", ByID))
 			if err != nil {
 				t.Fatalf("got error: %v", err)
 			}
@@ -611,7 +612,7 @@ func TestClick(t *testing.T) {
 			if err != nil {
 				t.Fatalf("got error: %v", err)
 			}
-			if title != "chromedp - Google Search" {
+			if title != "this is title" {
 				t.Errorf("expected title to be 'chromedp - Google Search', got: '%s'", title)
 			}
 		})
@@ -746,7 +747,7 @@ func TestSubmit(t *testing.T) {
 				t.Fatalf("got error: %v", err)
 			}
 
-			err = c.Run(defaultContext, WaitVisible("#logo > img", ByQuery))
+			err = c.Run(defaultContext, WaitVisible("#icon-brankas", ByID))
 			if err != nil {
 				t.Fatalf("got error: %v", err)
 			}
@@ -756,7 +757,7 @@ func TestSubmit(t *testing.T) {
 			if err != nil {
 				t.Fatalf("got error: %v", err)
 			}
-			if title != "chromedp - Google Search" {
+			if title != "this is title" {
 				t.Errorf("expected title to be 'chromedp - Google Search', got: '%s'", title)
 			}
 		})
@@ -781,8 +782,13 @@ func TestComputedStyle(t *testing.T) {
 			c := testAllocate(t, "js.html")
 			defer c.Release()
 
+			err := c.Run(defaultContext, Sleep(time.Millisecond*50))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+
 			var styles []*css.ComputedProperty
-			err := c.Run(defaultContext, ComputedStyle(test.sel, &styles, test.by))
+			err = c.Run(defaultContext, ComputedStyle(test.sel, &styles, test.by))
 			if err != nil {
 				t.Fatalf("got error: %v", err)
 			}
@@ -800,6 +806,11 @@ func TestComputedStyle(t *testing.T) {
 				t.Fatalf("got error: %v", err)
 			}
 
+			err = c.Run(defaultContext, Sleep(time.Millisecond*50))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+
 			err = c.Run(defaultContext, ComputedStyle(test.sel, &styles, test.by))
 			if err != nil {
 				t.Fatalf("got error: %v", err)
diff --git a/testdata/form.html b/testdata/form.html
index 715b467..fc4cdf5 100644
--- a/testdata/form.html
+++ b/testdata/form.html
@@ -1,6 +1,7 @@
 <!doctype html>
 <html>
 <head>
+  <title>this is form title</title>
   <style>
     input, textarea {
       margin-top: 5px
@@ -8,7 +9,7 @@
   </style>
 </head>
 <body>
-  <form id="form" action="https://www.google.com/search" name="form">
+  <form id="form" action="image.html" name="form">
     <span id="foo">insert</span> <span>keyword</span><br>
     <input id="keyword" type="text" name="q" value="chromedp"/><br>
     <input id="foo" type="text" name="foo" value="foo"/><br>
diff --git a/testdata/image.html b/testdata/image.html
index 910c9b5..010eebe 100644
--- a/testdata/image.html
+++ b/testdata/image.html
@@ -1,5 +1,8 @@
 <!doctype html>
 <html>
+  <head>
+     <title>this is title</title>
+  </head>
 <body style="background-color: #41a1e1">
   <img id="icon-brankas" src="images/brankas.png" alt="Brankas - Easy Money Management">
   <img id="icon-github" src="images/github.png" alt="How people build software">