refactor: rename files to follow Go convention

testdata/unreachable_code.go

@@ -0,0 +1,60 @@
+package fixtures
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"testing"
+)
+
+func foo() int {
+	log.Fatalf("%s", "About to fail") // ignore
+	return 0                          // MATCH /unreachable code after this statement/
+	return 1
+	Println("unreachable")
+}
+
+func f() {
+	fmt.Println("Hello, playground")
+	if true {
+		return // MATCH /unreachable code after this statement/
+		Println("unreachable")
+		os.Exit(2) // ignore
+		Println("also unreachable")
+	}
+	return // MATCH /unreachable code after this statement/
+	fmt.Println("Bye, playground")
+}
+
+func g() {
+	fmt.Println("Hello, playground")
+	if true {
+		return // ignore if next stmt is labeled
+	label:
+		os.Exit(2) // ignore
+	}
+
+	fmt.Println("Bye, playground")
+}
+
+func TestA(t *testing.T) {
+	tests := make([]int, 100)
+	for i := range tests {
+		println("i: ", i)
+		if i == 0 {
+			t.Fatal("i == 0") // MATCH /unreachable code after this statement/
+			println("unreachable")
+			continue
+		}
+		if i == 1 {
+			t.Fatalf("i:%d", i) // MATCH /unreachable code after this statement/
+			println("unreachable")
+			continue
+		}
+		if i == 2 {
+			t.FailNow() // MATCH /unreachable code after this statement/
+			println("unreachable")
+			continue
+		}
+	}
+}