Add RemoveFile common function

Also cleans up left over test files

common/common.go

@@ -383,7 +383,8 @@ func OutputCSV(path string, data [][]string) error {
 		return err
 	}
 
-	defer writer.Flush()
+	writer.Flush()
+	file.Close()
 	return nil
 }
 
@@ -420,6 +421,11 @@ func WriteFile(file string, data []byte) error {
 	return nil
 }
 
+// RemoveFile removes a file
+func RemoveFile(file string) error {
+	return os.Remove(file)
+}
+
 // GetURIPath returns the path of a URL given a URI
 func GetURIPath(uri string) string {
 	urip, err := url.Parse(uri)

common/common_test.go

@@ -652,6 +652,22 @@ func TestWriteFile(t *testing.T) {
 	}
 }
 
+func TestRemoveFile(t *testing.T) {
+	TestWriteFile(t)
+	path := "../testdata/writefiletest"
+	err := RemoveFile(path)
+	if err != nil {
+		t.Errorf("Test failed. Common RemoveFile error: %s", err)
+	}
+
+	TestOutputCSV(t)
+	path = "../testdata/dump"
+	err = RemoveFile(path)
+	if err != nil {
+		t.Errorf("Test failed. Common RemoveFile error: %s", err)
+	}
+}
+
 func TestGetURIPath(t *testing.T) {
 	t.Parallel()
 	// mapping of input vs expected result