diff --git a/clirr-ignored-differences.xml b/clirr-ignored-differences.xml
new file mode 100644
index 00000000..63680b26
--- /dev/null
+++ b/clirr-ignored-differences.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
+<differences>
+  <difference>
+    <differenceType>7012</differenceType>
+    <className>com/google/cloud/conformance/storage/v1/Method*</className>
+    <method>* *Group*(*)</method>
+  </difference>
+
+</differences>
diff --git a/conformance-tests b/conformance-tests
index 6f883359..ec2e8c3d 160000
--- a/conformance-tests
+++ b/conformance-tests
@@ -1 +1 @@
-Subproject commit 6f88335938cd1d90372a447e01d7d71014e37ceb
+Subproject commit ec2e8c3d312e7122e07f65e98639169515449aa8
diff --git a/src/main/java/com/google/cloud/conformance/storage/v1/Method.java b/src/main/java/com/google/cloud/conformance/storage/v1/Method.java
index 668815a4..8bd79f57 100644
--- a/src/main/java/com/google/cloud/conformance/storage/v1/Method.java
+++ b/src/main/java/com/google/cloud/conformance/storage/v1/Method.java
@@ -41,6 +41,7 @@ private Method(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
   private Method() {
     name_ = "";
     resources_ = java.util.Collections.emptyList();
+    group_ = "";
   }
 
   @java.lang.Override
@@ -105,6 +106,13 @@ private Method(
               input.popLimit(oldLimit);
               break;
             }
+          case 26:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              group_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -260,6 +268,55 @@ public int getResourcesValue(int index) {
 
   private int resourcesMemoizedSerializedSize;
 
+  public static final int GROUP_FIELD_NUMBER = 3;
+  private volatile java.lang.Object group_;
+  /**
+   *
+   *
+   * <pre>
+   * e.g. storage.resumable.upload
+   * </pre>
+   *
+   * <code>string group = 3;</code>
+   *
+   * @return The group.
+   */
+  @java.lang.Override
+  public java.lang.String getGroup() {
+    java.lang.Object ref = group_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      group_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * e.g. storage.resumable.upload
+   * </pre>
+   *
+   * <code>string group = 3;</code>
+   *
+   * @return The bytes for group.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getGroupBytes() {
+    java.lang.Object ref = group_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      group_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -285,6 +342,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     for (int i = 0; i < resources_.size(); i++) {
       output.writeEnumNoTag(resources_.get(i));
     }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(group_)) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, group_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -309,6 +369,9 @@ public int getSerializedSize() {
       }
       resourcesMemoizedSerializedSize = dataSize;
     }
+    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(group_)) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, group_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -327,6 +390,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (!getName().equals(other.getName())) return false;
     if (!resources_.equals(other.resources_)) return false;
+    if (!getGroup().equals(other.getGroup())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -344,6 +408,8 @@ public int hashCode() {
       hash = (37 * hash) + RESOURCES_FIELD_NUMBER;
       hash = (53 * hash) + resources_.hashCode();
     }
+    hash = (37 * hash) + GROUP_FIELD_NUMBER;
+    hash = (53 * hash) + getGroup().hashCode();
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -494,6 +560,8 @@ public Builder clear() {
 
       resources_ = java.util.Collections.emptyList();
       bitField0_ = (bitField0_ & ~0x00000001);
+      group_ = "";
+
       return this;
     }
 
@@ -528,6 +596,7 @@ public com.google.cloud.conformance.storage.v1.Method buildPartial() {
         bitField0_ = (bitField0_ & ~0x00000001);
       }
       result.resources_ = resources_;
+      result.group_ = group_;
       onBuilt();
       return result;
     }
@@ -591,6 +660,10 @@ public Builder mergeFrom(com.google.cloud.conformance.storage.v1.Method other) {
         }
         onChanged();
       }
+      if (!other.getGroup().isEmpty()) {
+        group_ = other.group_;
+        onChanged();
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -877,6 +950,112 @@ public Builder addAllResourcesValue(java.lang.Iterable<java.lang.Integer> values
       return this;
     }
 
+    private java.lang.Object group_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * e.g. storage.resumable.upload
+     * </pre>
+     *
+     * <code>string group = 3;</code>
+     *
+     * @return The group.
+     */
+    public java.lang.String getGroup() {
+      java.lang.Object ref = group_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        group_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * e.g. storage.resumable.upload
+     * </pre>
+     *
+     * <code>string group = 3;</code>
+     *
+     * @return The bytes for group.
+     */
+    public com.google.protobuf.ByteString getGroupBytes() {
+      java.lang.Object ref = group_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        group_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * e.g. storage.resumable.upload
+     * </pre>
+     *
+     * <code>string group = 3;</code>
+     *
+     * @param value The group to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGroup(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      group_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * e.g. storage.resumable.upload
+     * </pre>
+     *
+     * <code>string group = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearGroup() {
+
+      group_ = getDefaultInstance().getGroup();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * e.g. storage.resumable.upload
+     * </pre>
+     *
+     * <code>string group = 3;</code>
+     *
+     * @param value The bytes for group to set.
+     * @return This builder for chaining.
+     */
+    public Builder setGroupBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      group_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/src/main/java/com/google/cloud/conformance/storage/v1/MethodOrBuilder.java b/src/main/java/com/google/cloud/conformance/storage/v1/MethodOrBuilder.java
index fe813e2b..13875a16 100644
--- a/src/main/java/com/google/cloud/conformance/storage/v1/MethodOrBuilder.java
+++ b/src/main/java/com/google/cloud/conformance/storage/v1/MethodOrBuilder.java
@@ -80,4 +80,29 @@ public interface MethodOrBuilder
    * @return The enum numeric value on the wire of resources at the given index.
    */
   int getResourcesValue(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * e.g. storage.resumable.upload
+   * </pre>
+   *
+   * <code>string group = 3;</code>
+   *
+   * @return The group.
+   */
+  java.lang.String getGroup();
+  /**
+   *
+   *
+   * <pre>
+   * e.g. storage.resumable.upload
+   * </pre>
+   *
+   * <code>string group = 3;</code>
+   *
+   * @return The bytes for group.
+   */
+  com.google.protobuf.ByteString getGroupBytes();
 }
diff --git a/src/main/java/com/google/cloud/conformance/storage/v1/Tests.java b/src/main/java/com/google/cloud/conformance/storage/v1/Tests.java
index 9023a77b..fba173e3 100644
--- a/src/main/java/com/google/cloud/conformance/storage/v1/Tests.java
+++ b/src/main/java/com/google/cloud/conformance/storage/v1/Tests.java
@@ -145,22 +145,22 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "v1.PolicyOutput\"P\n\nRetryTests\022B\n\nretryTe"
           + "sts\030\001 \003(\0132..google.cloud.conformance.sto"
           + "rage.v1.RetryTest\"\'\n\017InstructionList\022\024\n\014"
-          + "instructions\030\001 \003(\t\"X\n\006Method\022\014\n\004name\030\001 \001"
+          + "instructions\030\001 \003(\t\"g\n\006Method\022\014\n\004name\030\001 \001"
           + "(\t\022@\n\tresources\030\002 \003(\0162-.google.cloud.con"
-          + "formance.storage.v1.Resource\"\344\001\n\tRetryTe"
-          + "st\022\n\n\002id\030\001 \001(\005\022\023\n\013description\030\002 \001(\t\022C\n\005c"
-          + "ases\030\003 \003(\01324.google.cloud.conformance.st"
-          + "orage.v1.InstructionList\022<\n\007methods\030\004 \003("
-          + "\0132+.google.cloud.conformance.storage.v1."
-          + "Method\022\034\n\024preconditionProvided\030\005 \001(\010\022\025\n\r"
-          + "expectSuccess\030\006 \001(\010*O\n\010UrlStyle\022\016\n\nPATH_"
-          + "STYLE\020\000\022\030\n\024VIRTUAL_HOSTED_STYLE\020\001\022\031\n\025BUC"
-          + "KET_BOUND_HOSTNAME\020\002*B\n\010Resource\022\n\n\006BUCK"
-          + "ET\020\000\022\n\n\006OBJECT\020\001\022\020\n\014NOTIFICATION\020\002\022\014\n\010HM"
-          + "AC_KEY\020\003B|\n\'com.google.cloud.conformance"
-          + ".storage.v1P\001Z#google/cloud/conformance/"
-          + "storage/v1\252\002)Google.Cloud.Storage.V1.Tes"
-          + "ts.Conformanceb\006proto3"
+          + "formance.storage.v1.Resource\022\r\n\005group\030\003 "
+          + "\001(\t\"\344\001\n\tRetryTest\022\n\n\002id\030\001 \001(\005\022\023\n\013descrip"
+          + "tion\030\002 \001(\t\022C\n\005cases\030\003 \003(\01324.google.cloud"
+          + ".conformance.storage.v1.InstructionList\022"
+          + "<\n\007methods\030\004 \003(\0132+.google.cloud.conforma"
+          + "nce.storage.v1.Method\022\034\n\024preconditionPro"
+          + "vided\030\005 \001(\010\022\025\n\rexpectSuccess\030\006 \001(\010*O\n\010Ur"
+          + "lStyle\022\016\n\nPATH_STYLE\020\000\022\030\n\024VIRTUAL_HOSTED"
+          + "_STYLE\020\001\022\031\n\025BUCKET_BOUND_HOSTNAME\020\002*B\n\010R"
+          + "esource\022\n\n\006BUCKET\020\000\022\n\n\006OBJECT\020\001\022\020\n\014NOTIF"
+          + "ICATION\020\002\022\014\n\010HMAC_KEY\020\003B|\n\'com.google.cl"
+          + "oud.conformance.storage.v1P\001Z#google/clo"
+          + "ud/conformance/storage/v1\252\002)Google.Cloud"
+          + ".Storage.V1.Tests.Conformanceb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -308,7 +308,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_conformance_storage_v1_Method_descriptor,
             new java.lang.String[] {
-              "Name", "Resources",
+              "Name", "Resources", "Group",
             });
     internal_static_google_cloud_conformance_storage_v1_RetryTest_descriptor =
         getDescriptor().getMessageTypes().get(10);
diff --git a/src/main/proto/google/cloud/conformance/storage/v1/tests.proto b/src/main/proto/google/cloud/conformance/storage/v1/tests.proto
index 949948bf..91fa972a 100644
--- a/src/main/proto/google/cloud/conformance/storage/v1/tests.proto
+++ b/src/main/proto/google/cloud/conformance/storage/v1/tests.proto
@@ -189,6 +189,7 @@ enum Resource {
 message Method {
   string name = 1;  // e.g. storage.objects.get
   repeated Resource resources = 2;
+  string group = 3; // e.g. storage.resumable.upload
 }
 
 // Schema for a retry test, corresponding to a single scenario from the design
diff --git a/src/main/resources/com/google/cloud/conformance/storage/v1/retry_tests.json b/src/main/resources/com/google/cloud/conformance/storage/v1/retry_tests.json
index 48d87f42..af7874ef 100644
--- a/src/main/resources/com/google/cloud/conformance/storage/v1/retry_tests.json
+++ b/src/main/resources/com/google/cloud/conformance/storage/v1/retry_tests.json
@@ -239,6 +239,43 @@
       ],
       "preconditionProvided": true,
       "expectSuccess": false
+    },
+    {
+      "id": 7,
+      "description": "resumable_uploads_handle_complex_retries",
+      "cases": [
+        {
+          "instructions": ["return-reset-connection", "return-503"]
+        },
+        {
+          "instructions": ["return-503-after-256K"]
+        },
+        {
+          "instructions": ["return-503-after-8192K"]
+        }
+      ],
+      "methods": [
+        {"name": "storage.objects.insert", "group": "storage.resumable.upload", "resources": ["BUCKET"]}
+      ],
+      "preconditionProvided": true,
+      "expectSuccess": true
+    },
+    {
+      "id": 8,
+      "description": "downloads_handle_complex_retries",
+      "cases": [
+        {
+          "instructions": ["return-broken-stream", "return-broken-stream"]
+        },
+        {
+          "instructions": ["return-broken-stream-after-256K"]
+        }
+      ],
+      "methods": [
+        {"name": "storage.objects.get", "group": "storage.objects.download", "resources": ["BUCKET", "OBJECT"]}
+      ],
+      "preconditionProvided": false,
+      "expectSuccess": true
     }
   ]
 }