Fixed out-of-order problems in the automated unit tests

src/nimble.nim

@@ -596,9 +596,9 @@ proc downloadPkg(pkg: Package, verRange: VersionRangeRef): string =
 proc install(packages: seq[PkgTuple],
              options: Options,
              doPrompt = true): tuple[paths: seq[string], pkg: PackageInfo] =
-  if packages == @[]:
+ if packages == @[]:
     result = installFromDir(getCurrentDir(), false, options, "")
-  else:
+ else:
     # If packages.json is not present ask the user if they want to download it.
     if not existsFile(options.getNimbleDir / "packages.json"):
       if doPrompt and

src/nimblepkg/tools.nim

@@ -9,8 +9,13 @@ proc doCmd*(cmd: string) =
   let bin = cmd.split(' ')[0]
   if findExe(bin) == "":
     raise newException(NimbleError, "'" & bin & "' not in PATH.")
+  
+  # To keep output in sequence
+  stdout.flushFile()
+  stderr.flushFile()
 
   let exitCode = execCmd(cmd)
+
   if exitCode != QuitSuccess:
     raise newException(NimbleError,
         "Execution failed with exit code " & $exitCode)