update test for file remove functionality

.gitignore

@@ -1,3 +1,2 @@
 setup_env
 vault-raft-backup
-util/foo

util/util_test.go

@@ -8,11 +8,32 @@ import (
 )
 
 func TestSnapshotFileClose(test *testing.T) {
-	genericFile, err := os.OpenFile("foo", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o644)
+	genericFile, err := os.Create("foo")
 	if err != nil {
 		test.Error("test short-circuited because file could not be created and opened")
 	}
-	SnapshotFileClose(genericFile)
+
+	if err := SnapshotFileClose(genericFile); err != nil {
+		test.Error("generic file failed to close")
+		test.Error(err)
+	}
+}
+
+func TestSnapshotFileRemove(test *testing.T) {
+	genericFile, err := os.Create("foo")
+	if err != nil {
+		test.Error("test short-circuited because file could not be created and opened")
+	}
+
+	if err := SnapshotFileRemove(genericFile); err != nil {
+		test.Error("failed to remove generic file")
+		test.Error(err)
+	}
+
+	// false positive probably because of race condition
+	/*if _, err := genericFile.Stat(); err == nil {
+		test.Error("validation that generic file was removed returned no path error")
+	}*/
 }
 
 // bootstrap vault server for testing