http2, webdav, websocket: fix %q verb uses with wrong type

Caught early by the improved vet check gated behind the 1.26 language
version combined with a tiplang builder that tests with 1.26 language
version.

Fixes golang/go#76574.
Fixes golang/go#76599.
Fixes golang/go#76547.

Change-Id: If8e2266013df0a39fc980a1e9287f8cb75949811
Cq-Include-Trybots: luci.golang.try:x_net-gotip-linux-amd64-tiplang
Reviewed-on: https://go-review.googlesource.com/c/net/+/725220
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Commit-Queue: Alan Donovan <adonovan@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Alan Donovan <adonovan@google.com>

Author: dmitshur

http2/server_test.go

@@ -1977,7 +1977,7 @@ func TestServerRejectsContentLengthWithSignNewRequests(t *testing.T) {
 			}
 			checkReq := func(r *http.Request) {
 				if r.ContentLength != tt.wantCL {
-					t.Fatalf("Got: %q\nWant: %q", r.ContentLength, tt.wantCL)
+					t.Fatalf("Got: %d\nWant: %d", r.ContentLength, tt.wantCL)
 				}
 			}
 			testServerRequest(t, writeReq, checkReq)

webdav/prop_test.go

@@ -556,7 +556,7 @@ func TestMemPS(t *testing.T) {
 			sort.Sort(byStatus(propstats))
 			sort.Sort(byStatus(op.wantPropstats))
 			if !reflect.DeepEqual(propstats, op.wantPropstats) {
-				t.Errorf("%s: propstat\ngot  %q\nwant %q", desc, propstats, op.wantPropstats)
+				t.Errorf("%s: propstat\ngot  %#v\nwant %#v", desc, propstats, op.wantPropstats)
 			}
 		}
 	}

websocket/hybi_test.go

@@ -190,7 +190,7 @@ Sec-WebSocket-Version: 13
 		t.Errorf("handshake failed: %v", err)
 	}
 	if code != http.StatusSwitchingProtocols {
-		t.Errorf("status expected %q but got %q", http.StatusSwitchingProtocols, code)
+		t.Errorf("status expected %d but got %d", http.StatusSwitchingProtocols, code)
 	}
 	expectedProtocols := []string{"chat", "superchat"}
 	if fmt.Sprintf("%v", config.Protocol) != fmt.Sprintf("%v", expectedProtocols) {
@@ -239,10 +239,10 @@ Sec-WebSocket-Version: 13
 		t.Errorf("handshake failed: %v", err)
 	}
 	if code != http.StatusSwitchingProtocols {
-		t.Errorf("status expected %q but got %q", http.StatusSwitchingProtocols, code)
+		t.Errorf("status expected %d but got %d", http.StatusSwitchingProtocols, code)
 	}
 	if len(config.Protocol) != 0 {
-		t.Errorf("len(config.Protocol) expected 0, but got %q", len(config.Protocol))
+		t.Errorf("len(config.Protocol) expected 0, but got %d", len(config.Protocol))
 	}
 	b := bytes.NewBuffer([]byte{})
 	bw := bufio.NewWriter(b)
@@ -285,7 +285,7 @@ Sec-WebSocket-Version: 9
 		t.Errorf("handshake expected err %q but got %q", ErrBadWebSocketVersion, err)
 	}
 	if code != http.StatusBadRequest {
-		t.Errorf("status expected %q but got %q", http.StatusBadRequest, code)
+		t.Errorf("status expected %d but got %d", http.StatusBadRequest, code)
 	}
 }
 
@@ -583,7 +583,7 @@ Sec-WebSocket-Version: 13
 		t.Errorf("handshake failed: %v", err)
 	}
 	if code != http.StatusSwitchingProtocols {
-		t.Errorf("status expected %q but got %q", http.StatusSwitchingProtocols, code)
+		t.Errorf("status expected %d but got %d", http.StatusSwitchingProtocols, code)
 	}
 	b := bytes.NewBuffer([]byte{})
 	bw := bufio.NewWriter(b)

websocket/websocket_test.go

@@ -323,7 +323,7 @@ func TestHTTP(t *testing.T) {
 		return
 	}
 	if resp.StatusCode != http.StatusBadRequest {
-		t.Errorf("Get: expected %q got %q", http.StatusBadRequest, resp.StatusCode)
+		t.Errorf("Get: expected %d got %d", http.StatusBadRequest, resp.StatusCode)
 	}
 }