My latest, not cleaned up at all, version of the svg I am using to generate shields/badges.

test_travis_passing.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Generator: Adobe Illustrator 16.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->

<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   version="1.1"
   id="Layer_1"
   x="0px"
   y="0px"
   width="77px"
   height="18px"
   viewBox="0 1.25 77 18"
   enable-background="new 0 1.25 77 18"
   xml:space="preserve"
   inkscape:version="0.48.2 r9819"
   sodipodi:docname="travis_passing.svg"><metadata
   id="metadata3190"><rdf:RDF><cc:Work
       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
   id="defs3188" /><sodipodi:namedview
   pagecolor="#ffffff"
   bordercolor="#666666"
   borderopacity="1"
   objecttolerance="10"
   gridtolerance="10"
   guidetolerance="10"
   inkscape:pageopacity="0"
   inkscape:pageshadow="2"
   inkscape:window-width="640"
   inkscape:window-height="480"
   id="namedview3186"
   showgrid="false"
   inkscape:zoom="4.5714286"
   inkscape:cx="38.5"
   inkscape:cy="9"
   inkscape:window-x="0"
   inkscape:window-y="0"
   inkscape:window-maximized="0"
   inkscape:current-layer="Layer_1" />
<g
   id="Green">
   
   <linearGradient
   id="SVGID_1_"
   gradientUnits="userSpaceOnUse"
   x1="1042.501"
   y1="3815"
   x2="1042.501"
   y2="3797"
   gradientTransform="matrix(1 0 0 1 -988 -3795.5)">
      <stop
   offset="0"
   style="stop-color:#23630A"
   id="stop3145" />
      <stop
   offset="0.1"
   style="stop-color:#31B70E"
   id="stop3147" />
      <stop
   offset="0.96"
   style="stop-color:#4AD115"
   id="stop3149" />
      <stop
   offset="1"
   style="stop-color:#9DED7D"
   id="stop3151" />
   </linearGradient>
   <path
   fill="url(#SVGID_1_)"
   d="M32,19.25h42c1.657,0,3-1.343,3-3v-12c0-1.657-1.343-3-3-3H32V19.25z"
   id="path3153" />
   
   <linearGradient
   id="SVGID_2_"
   gradientUnits="userSpaceOnUse"
   x1="852"
   y1="3221.625"
   x2="852"
   y2="3203.7461"
   gradientTransform="matrix(1 0 0 1 -836 -3202.5)">
      <stop
   offset="0"
   style="stop-color:#2E2E2E"
   id="stop3156" />
      <stop
   offset="0.1"
   style="stop-color:#3F3F3F"
   id="stop3158" />
      <stop
   offset="0.96"
   style="stop-color:#5A5A5A"
   id="stop3160" />
      <stop
   offset="1"
   style="stop-color:#AAAAAA"
   id="stop3162" />
   </linearGradient>
   <path
   fill="url(#SVGID_2_)"
   d="M32,19.25H3c-1.657,0-3-1.343-3-3v-12c0-1.657,1.343-3,3-3h29V19.25z"
   id="path3164" />
   <g
   id="g3166">
      <g
   opacity="1"
   id="g3168">
         <text
   x="35"
   y="14.8"
   transform="scale(1,0.93968341)"
   fill="#23630A"
   font-family="Open Sans"
   font-size="10"
   id="text3170">passing</text>

      </g>
      <g
   id="g3172">
         <text
   x="35"
   y="14"
   transform="scale(1,0.93968341)"
   fill="#FFFFFF"
   font-family="Open Sans"
   font-size="10"
   id="text3174">passing</text>

         <text
   x="35"
   y="14"
   transform="scale(1,0.93968341)"
   fill="#FFFFFF"
   font-family="Open Sans"
   font-size="10"
   id="text31742">passing</text>

      </g>
   </g>
   <g
   id="g3176">
      <g
   opacity="0.5"
   id="g3178">
         <text
   x="5"
   y="14.8"
   transform="scale(1,0.93968341)"
   fill="#000000"
   font-family="Open Sans"
   font-size="10"
   id="text3180">build</text>

      </g>
      <g
   id="g3182">
         <text
   x="5"
   y="14"
   transform="scale(1,0.93968341)"
   fill="#FFFFFF"
   font-family="Open Sans"
   font-size="10"
   id="text3184">build</text>
         <text
   x="5"
   y="14"
   transform="scale(1,0.93968341)"
   fill="#FFFFFF"
   font-family="Open Sans"
   font-size="10"
   id="text31842">build</text>

      </g>
   </g>
</g>
</svg>