Fixed ambiguous methods in tests
diff --git a/glacier/src/test/java/org/jclouds/glacier/GlacierClientLiveTest.java b/glacier/src/test/java/org/jclouds/glacier/GlacierClientLiveTest.java
index 472146f..e501a0e 100644
--- a/glacier/src/test/java/org/jclouds/glacier/GlacierClientLiveTest.java
+++ b/glacier/src/test/java/org/jclouds/glacier/GlacierClientLiveTest.java
@@ -90,7 +90,7 @@
                ContentRange.fromPartNumber(1, partSizeInMb), buildPayload(partSizeInMb * MiB));
          assertThat(part1).isNotNull();
          assertThat(part2).isNotNull();
-         assertThat(api.listParts(VAULT_NAME1, uploadId)).extracting("treeHash").containsExactly(part1, part2);
+         assertThat(api.listParts(VAULT_NAME1, uploadId).iterator()).extracting("treeHash").containsExactly(part1, part2);
       } finally {
          assertThat(api.abortMultipartUpload(VAULT_NAME1, uploadId)).isTrue();
       }
diff --git a/glacier/src/test/java/org/jclouds/glacier/GlacierClientMockTest.java b/glacier/src/test/java/org/jclouds/glacier/GlacierClientMockTest.java
index b3d2d2c..4f5b9a3 100644
--- a/glacier/src/test/java/org/jclouds/glacier/GlacierClientMockTest.java
+++ b/glacier/src/test/java/org/jclouds/glacier/GlacierClientMockTest.java
@@ -351,8 +351,8 @@
       assertThat(mpu.getArchiveDescription()).isEqualTo("archive description 1");
       assertThat(mpu.getMultipartUploadId()).isEqualTo(MULTIPART_UPLOAD_ID);
       assertThat(mpu.getPartSizeInBytes()).isEqualTo(4194304);
-      assertThat(mpu).extracting("treeHash").containsExactly(HashCode.fromString("01d34dabf7be316472c93b1ef80721f5d4"));
-      assertThat(mpu).extracting("range").containsExactly(ContentRange.fromString("4194304-8388607"));
+      assertThat(mpu.iterator()).extracting("treeHash").containsExactly(HashCode.fromString("01d34dabf7be316472c93b1ef80721f5d4"));
+      assertThat(mpu.iterator()).extracting("range").containsExactly(ContentRange.fromString("4194304-8388607"));
 
       assertEquals(server.takeRequest().getRequestLine(),
               "GET /-/vaults/examplevault/multipart-uploads/" + MULTIPART_UPLOAD_ID + "?limit=1&marker=1001 " + HTTP);