devmode-test: update --binhost style

The shell dev_install accepts '--binhost <URI>' but the new C++
version accepts '--binohst=<URL>'.  Update the invocation here.

TEST=running uses the right binhost

Change-Id: I6cf62c69cfb0942b50a3f86b5b9cf85e1539ad03
Tested-by: Mike Frysinger <>
Commit-Ready: Mike Frysinger <>
Legacy-Commit-Queue: Commit Bot <>
Reviewed-by: Achuith Bhandarkar <>
diff --git a/devmode-test/ b/devmode-test/
index 69c6aed..cd5f027 100755
--- a/devmode-test/
+++ b/devmode-test/
@@ -145,7 +145,7 @@'Running dev install in the vm.')
           ['bash', '-l', '-c',
-           '"/usr/bin/dev_install --yes --binhost %s"' % self.binhost])
+           '"/usr/bin/dev_install --yes --binhost=%s"' % self.binhost])'Verifying that python works on the image.')
       # /usr/local/bin/python symlink doesn't exist.