internal/trace/testtrace: fix flag name typos

Change-Id: I6a6a636cd82a3e22a482ea2b2ab1004c45e2c304
Reviewed-on: https://go-review.googlesource.com/c/go/+/719400
Auto-Submit: Michael Pratt <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: prattmic

src/internal/trace/testtrace/helpers.go

@@ -37,7 +37,7 @@ func Dump(t *testing.T, testName string, traceBytes []byte, forceToFile bool) {
 			t.Logf("text trace too large to dump (%d bytes)", len(s))
 		} else {
 			t.Log(s)
-			t.Log("Convert this to a raw trace with `go test internal/trace/testtrace -covert in.tracetxt -out out.trace`")
+			t.Log("Convert this to a raw trace with `go test internal/trace/testtrace -convert in.tracetxt -out out.trace`")
 		}
 	} else {
 		// We asked to dump the trace or failed. Write the trace to a file.

src/internal/trace/testtrace/helpers_test.go

@@ -32,7 +32,7 @@ func TestConvertDump(t *testing.T) {
 		t.Skip("Set -convert to convert a trace text file")
 	}
 	if *output == "" {
-		t.Fatal("Set -o to specify conversion output")
+		t.Fatal("Set -out to specify conversion output")
 	}
 
 	if err := convertDump(*convert, *output); err != nil {