rpc, internal/cmdtest: increase timeout in tests (#27083)

This change gives the cmd-tests have a bit more time to finish before getting forcibly torn down. 

cmd/geth/consolecmd_test.go

@@ -116,7 +116,7 @@ func TestAttachWelcome(t *testing.T) {
 		waitForEndpoint(t, endpoint, 3*time.Second)
 		testAttachWelcome(t, geth, endpoint, httpAPIs)
 	})
-	geth.ExpectExit()
+	geth.Kill()
 }
 
 func testAttachWelcome(t *testing.T, geth *testgeth, endpoint, apis string) {

internal/cmdtest/test_cmd.go

@@ -237,7 +237,7 @@ func (tt *TestCmd) Kill() {
 }
 
 func (tt *TestCmd) withKillTimeout(fn func()) {
-	timeout := time.AfterFunc(5*time.Second, func() {
+	timeout := time.AfterFunc(30*time.Second, func() {
 		tt.Log("killing the child process (timeout)")
 		tt.Kill()
 	})

rpc/client.go

@@ -43,7 +43,7 @@ var (
 const (
 	// Timeouts
 	defaultDialTimeout = 10 * time.Second // used if context has no deadline
-	subscribeTimeout   = 5 * time.Second  // overall timeout eth_subscribe, rpc_modules calls
+	subscribeTimeout   = 10 * time.Second // overall timeout eth_subscribe, rpc_modules calls
 )
 
 const (