Fix the compilation issue in WeightedSnapshotTest

The 3.2 version uses the old capitalized test method name for
weighted arrays.

metrics-core/src/test/java/com/codahale/metrics/WeightedSnapshotTest.java

@@ -217,7 +217,7 @@ public void expectNoOverflowForLowWeights() throws Exception {
     @Test
     public void doesNotProduceNaNValues() {
         WeightedSnapshot weightedSnapshot = new WeightedSnapshot(
-                weightedArray(new long[]{1, 2, 3}, new double[]{0, 0, 0}));
+                WeightedArray(new long[]{1, 2, 3}, new double[]{0, 0, 0}));
         assertThat(weightedSnapshot.getMean()).isEqualTo(0);
     }