diff --git a/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseBlobMapIntegrationTest.java b/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseBlobMapIntegrationTest.java
index a6d560cf40..06f401dfb5 100755
--- a/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseBlobMapIntegrationTest.java
+++ b/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseBlobMapIntegrationTest.java
@@ -78,7 +78,7 @@ public class BaseBlobMapIntegrationTest<S> extends BaseMapIntegrationTest<S, Blo
       String bucketName = getContainerName();
       try {
          Map<String, Blob> map = createMap(context, bucketName);
-         putString(map, "one", "two");
+         putStringWithMD5(map, "one", "two");
          assertConsistencyAwareContentEquals(map, "one", "two");
          // TODO track how often this occurs and potentially update map implementation
          assertConsistencyAwareRemoveEquals(map, "one", null);
@@ -135,9 +135,10 @@ public class BaseBlobMapIntegrationTest<S> extends BaseMapIntegrationTest<S, Blo
       String bucketName = getContainerName();
       try {
          Map<String, Blob> map = createMap(context, bucketName);
-         putString(map, "one", "apple");
+         putStringWithMD5(map, "one", "apple");
          Blob object = newBlob("one");
          object.setData("apple");
+         object.generateMD5();
          assertConsistencyAwareContainsValue(map, object);
       } finally {
          returnContainer(bucketName);
@@ -200,9 +201,10 @@ public class BaseBlobMapIntegrationTest<S> extends BaseMapIntegrationTest<S, Blo
    }
 
    @Override
-   protected void putString(Map<String, Blob> map, String key, String value) {
+   protected void putStringWithMD5(Map<String, Blob> map, String key, String value) {
       Blob object = newBlob(key);
       object.setData(value);
+      object.generateMD5();
       map.put(key, object);
    }
 
diff --git a/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseInputStreamMapIntegrationTest.java b/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseInputStreamMapIntegrationTest.java
index 08dc50ade6..39d85a40ca 100755
--- a/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseInputStreamMapIntegrationTest.java
+++ b/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseInputStreamMapIntegrationTest.java
@@ -78,7 +78,7 @@ public class BaseInputStreamMapIntegrationTest<S> extends BaseMapIntegrationTest
       String bucketName = getContainerName();
       try {
          Map<String, InputStream> map = createMap(context, bucketName);
-         putString(map, "one", "two");
+         putStringWithMD5(map, "one", "two");
          InputStream old = map.remove("one");
          assertEquals(Utils.toStringAndClose(old), "two");
          old = map.remove("one");
@@ -309,7 +309,7 @@ public class BaseInputStreamMapIntegrationTest<S> extends BaseMapIntegrationTest
    }
 
    @Override
-   protected void putString(Map<String, InputStream> map, String key, String value)
+   protected void putStringWithMD5(Map<String, InputStream> map, String key, String value)
             throws InterruptedException, ExecutionException, TimeoutException {
       ((InputStreamMap) map).putString(key, value);
    }
diff --git a/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseMapIntegrationTest.java b/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseMapIntegrationTest.java
index 4fe3fe1740..cb8b71fb3b 100755
--- a/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseMapIntegrationTest.java
+++ b/blobstore/core/src/test/java/org/jclouds/blobstore/integration/internal/BaseMapIntegrationTest.java
@@ -106,7 +106,7 @@ public abstract class BaseMapIntegrationTest<S, V> extends BaseBlobStoreIntegrat
       try {
          Map<String, V> map = createMap(context, bucketName);
          assertConsistencyAwareMapSize(map, 0);
-         putString(map, "one", "apple");
+         putStringWithMD5(map, "one", "apple");
          assertConsistencyAwareMapSize(map, 1);
          map.clear();
          assertConsistencyAwareMapSize(map, 0);
@@ -125,7 +125,7 @@ public abstract class BaseMapIntegrationTest<S, V> extends BaseBlobStoreIntegrat
       try {
          Map<String, V> map = createMap(context, bucketName);
          assertConsistencyAwareKeySize(map, 0);
-         putString(map, "one", "two");
+         putStringWithMD5(map, "one", "two");
          assertConsistencyAwareKeySize(map, 1);
          assertConsistencyAwareKeySetEquals(map, ImmutableSet.of("one"));
       } finally {
@@ -175,7 +175,7 @@ public abstract class BaseMapIntegrationTest<S, V> extends BaseBlobStoreIntegrat
       try {
          Map<String, V> map = createMap(context, bucketName);
          assertConsistencyAwareDoesntContainKey(map);
-         putString(map, "one", "apple");
+         putStringWithMD5(map, "one", "apple");
          assertConsistencyAwareContainsKey(map);
       } finally {
          returnContainer(bucketName);
@@ -219,7 +219,7 @@ public abstract class BaseMapIntegrationTest<S, V> extends BaseBlobStoreIntegrat
       try {
          Map<String, V> map = createMap(context, bucketName);
          assertConsistencyAwareEmpty(map);
-         putString(map, "one", "apple");
+         putStringWithMD5(map, "one", "apple");
          assertConsistencyAwareNotEmpty(map);
       } finally {
          returnContainer(bucketName);
@@ -243,7 +243,7 @@ public abstract class BaseMapIntegrationTest<S, V> extends BaseBlobStoreIntegrat
       });
    }
 
-   abstract protected void putString(Map<String, V> map, String key, String value)
+   abstract protected void putStringWithMD5(Map<String, V> map, String key, String value)
             throws InterruptedException, ExecutionException, TimeoutException;
 
    protected void fourLeftRemovingOne(Map<String, V> map) throws InterruptedException,