test: gofmt chan/*.go

These are functional tests, so it is safe to gofmt them.

Change-Id: I3067279c1d49809ac6a62054448ab8a6c3de9bda
Reviewed-on: https://go-review.googlesource.com/43623Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

test/chan/fifo.go

@@ -54,4 +54,3 @@ func main() {
 	AsynchFifo()
 	SynchFifo()
 }
-

test/chan/perm.go

@@ -57,10 +57,10 @@ func main() {
 		_ = x
 	}
 
-	for _ = range cs {// ERROR "receive"
+	for _ = range cs { // ERROR "receive"
 	}
 
-	for range cs {// ERROR "receive"
+	for range cs { // ERROR "receive"
 	}
 
 	close(c)

test/chan/select3.go

@@ -14,12 +14,10 @@ import "time"
 const always = "function did not"
 const never = "function did"
 
-
 func unreachable() {
 	panic("control flow shouldn't reach here")
 }
 
-
 // Calls f and verifies that f always/never panics depending on signal.
 func testPanic(signal string, f func()) {
 	defer func() {
@@ -34,7 +32,6 @@ func testPanic(signal string, f func()) {
 	f()
 }
 
-
 // Calls f and empirically verifies that f always/never blocks depending on signal.
 func testBlock(signal string, f func()) {
 	c := make(chan string)
@@ -51,7 +48,6 @@ func testBlock(signal string, f func()) {
 	}
 }
 
-
 func main() {
 	const async = 1 // asynchronous channels
 	var nilch chan int
@@ -114,8 +110,7 @@ func main() {
 
 	// empty selects always block
 	testBlock(always, func() {
-		select {
-		}
+		select {}
 	})
 
 	// selects with only nil channels always block