remove TestBypass flag (#566)

Tests should explicitly state their target configuration file, so no need
to use fallback default override flag

config/config.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"encoding/json"
 	"errors"
-	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -1484,10 +1483,6 @@ func GetFilePath(configfile string) (string, error) {
 		return configfile, nil
 	}
 
-	if flag.Lookup("test.v") != nil && !TestBypass {
-		return TestFile, nil
-	}
-
 	exePath, err := common.GetExecutablePath()
 	if err != nil {
 		return "", err