net: minor fixes to test

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5707058

src/pkg/net/dial_test.go

@@ -186,7 +186,7 @@ var duplicateErrorPattern = `dial (.*) dial (.*)`
 
 func TestDialError(t *testing.T) {
 	if !*runErrorTest {
-		t.Logf("test disabled; use --run_error_test to enable")
+		t.Logf("test disabled; use -run_error_test to enable")
 		return
 	}
 	for i, tt := range dialErrorTests {

src/pkg/net/udp_test.go

@@ -38,18 +38,18 @@ func testWriteToConn(t *testing.T, raddr string) {
 
 	_, err = c.(*UDPConn).WriteToUDP([]byte("Connection-oriented mode socket"), ra)
 	if err == nil {
-		t.Fatal("WriteToUDP should be failed")
+		t.Fatal("WriteToUDP should fail")
 	}
 	if err != nil && err.(*OpError).Err != ErrWriteToConnected {
-		t.Fatalf("WriteToUDP should be failed as ErrWriteToConnected: %v", err)
+		t.Fatalf("WriteToUDP should fail as ErrWriteToConnected: %v", err)
 	}
 
 	_, err = c.(*UDPConn).WriteTo([]byte("Connection-oriented mode socket"), ra)
 	if err == nil {
-		t.Fatal("WriteTo should be failed")
+		t.Fatal("WriteTo should fail")
 	}
 	if err != nil && err.(*OpError).Err != ErrWriteToConnected {
-		t.Fatalf("WriteTo should be failed as ErrWriteToConnected: %v", err)
+		t.Fatalf("WriteTo should fail as ErrWriteToConnected: %v", err)
 	}
 
 	_, err = c.Write([]byte("Connection-oriented mode socket"))
@@ -82,6 +82,6 @@ func testWriteToPacketConn(t *testing.T, raddr string) {
 
 	_, err = c.(*UDPConn).Write([]byte("Connection-less mode socket"))
 	if err == nil {
-		t.Fatal("Write should be failed")
+		t.Fatal("Write should fail")
 	}
 }