Add test that gofmt and revive work with cgo

Signed-off-by: Sven Anderson <[email protected]>

Author: ansiwen

test/run_test.go

@@ -104,6 +104,8 @@ func TestCgoWithIssues(t *testing.T) {
 		ExpectHasIssue("Printf format %t has arg cs of wrong type")
 	r.Run("--no-config", "--disable-all", "-Estaticcheck", getTestDataDir("cgo_with_issues")).
 		ExpectHasIssue("SA5009: Printf format %t has arg #1 of wrong type")
+	r.Run("--no-config", "--disable-all", "-Egofmt", getTestDataDir("cgo_with_issues")).
+		ExpectHasIssue("File is not `gofmt`-ed with `-s` (gofmt)")
 }
 
 func TestUnsafeOk(t *testing.T) {

test/testdata/cgo_with_issues/main.go

@@ -21,3 +21,15 @@ func Example() {
 	fmt.Printf("bad format %t", cs)
 	C.free(unsafe.Pointer(cs))
 }
+
+func notFormattedForGofmt()  {
+}
+
+func errorForRevive(p *int) error {
+	if p == nil {
+		return nil
+	} else {
+		return nil
+	}
+}
+