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diff --git a/contexts/data/lib/closure-library/closure/goog/math/interpolator/spline1_test.html b/contexts/data/lib/closure-library/closure/goog/math/interpolator/spline1_test.html
deleted file mode 100644
index 66f10be..0000000
--- a/contexts/data/lib/closure-library/closure/goog/math/interpolator/spline1_test.html
+++ /dev/null
@@ -1,103 +0,0 @@
-<!DOCTYPE html>
-<html>
-<!--
-Copyright 2011 The Closure Library Authors. All Rights Reserved.
-
-Use of this source code is governed by the Apache License, Version 2.0.
-See the COPYING file for details.
--->
-<head>
-<meta http-equiv="X-UA-Compatible" content="IE=edge">
-<title>Closure Unit Tests - goog.math.interpolator.Spline1</title>
-<script src="../../base.js"></script>
-<script>
-  goog.require('goog.math.interpolator.Spline1');
-  goog.require('goog.testing.jsunit');
-</script>
-</head>
-<body>
-<script>
-
-  function testSpline() {
-    // Test special case with no data to interpolate.
-    var x = [];
-    var y = [];
-    var interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-    assertTrue(isNaN(interp.interpolate(1)));
-
-    // Test special case with 1 data point.
-    x = [0];
-    y = [2];
-    interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-    assertRoughlyEquals(2, interp.interpolate(1), 1e-4);
-
-    // Test special case with 2 data points.
-    x = [0, 1];
-    y = [2, 5];
-    interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-    assertRoughlyEquals(3.5, interp.interpolate(.5), 1e-4);
-
-    // Test special case with 3 data points.
-    x = [0, 1, 2];
-    y = [2, 5, 4];
-    interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-    assertRoughlyEquals(4, interp.interpolate(.5), 1e-4);
-    assertRoughlyEquals(-1, interp.interpolate(3), 1e-4);
-
-    // Test general case.
-    x = [0, 1, 3, 6, 7];
-    y = [0, 0, 0, 0, 0];
-    for (var i = 0; i < x.length; ++i) {
-      y[i] = Math.sin(x[i]);
-    }
-    interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-
-    var xi = [0, 0.5, 1, 2, 3, 4, 5, 6, 7];
-    var expected = [0, 0.5775, 0.8415, 0.7047, 0.1411, -0.3601, -0.55940,
-      -0.2794, 0.6570];
-    var result = [0, 0, 0, 0, 0, 0, 0, 0, 0];
-    for (var i = 0; i < xi.length; ++i) {
-      result[i] = interp.interpolate(xi[i]);
-    }
-    assertElementsRoughlyEqual(expected, result, 1e-4);
-  };
-
-
-  function testOutOfBounds() {
-    var x = [0, 1, 2, 4];
-    var y = [2, 5, 4, 1];
-    var interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-    assertRoughlyEquals(-7.75, interp.interpolate(-1), 1e-4);
-    assertRoughlyEquals(4.5, interp.interpolate(5), 1e-4);
-  };
-
-
-  function testInverse() {
-    var x = [0, 1, 3, 6, 7];
-    var y = [0, 2, 7, 8, 10];
-
-    var interp = new goog.math.interpolator.Spline1();
-    interp.setData(x, y);
-    var invInterp = interp.getInverse();
-
-    var xi = [0, 0.5, 1, 2, 3, 4, 5, 6, 7];
-    var yi = [0, 0.8159, 2, 4.7892, 7, 7.6912, 7.6275, 8, 10];
-    var expectedX = [0, 0.8142, 1, 0.2638, 3, 5.0534, 4.8544, 6, 7];
-    var resultX = [0, 0, 0, 0, 0, 0, 0, 0, 0];
-    var resultY = [0, 0, 0, 0, 0, 0, 0, 0, 0];
-    for (var i = 0; i < xi.length; ++i) {
-      resultY[i] = interp.interpolate(xi[i]);
-      resultX[i] = invInterp.interpolate(yi[i]);
-    }
-    assertElementsRoughlyEqual(expectedX, resultX, 1e-4);
-    assertElementsRoughlyEqual(yi, resultY, 1e-4);
-  };
-
-</script>
-</body>