diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8a3fc099..12d61fe4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -42,12 +42,27 @@ jobs:
           command: fmt
           args: --all -- --check
       - name: Run cargo test with tokio
+        if: ${{ matrix.gremlin-server }} == 3.5.7
         uses: actions-rs/cargo@v1
         with:
           command: test
           args: --manifest-path gremlin-client/Cargo.toml  --features=tokio-runtime
       - name: Run cargo test with async-std
+        if: ${{ matrix.gremlin-server }} == 3.5.7
         uses: actions-rs/cargo@v1
         with:
           command: test
           args: --manifest-path gremlin-client/Cargo.toml --features=async-std-runtime
+      # MergeV as a step doesn't exist in 3.5.x, so selectively run those tests
+      - name: Run cargo test with tokio
+        if: ${{ matrix.gremlin-server }} == 3.6.5
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --manifest-path gremlin-client/Cargo.toml  --features=tokio-runtime,merge_v_tests
+      - name: Run cargo test with async-std
+        if: ${{ matrix.gremlin-server }} == 3.6.5
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --manifest-path gremlin-client/Cargo.toml --features=async-std-runtime,merge_v_tests
diff --git a/gremlin-client/Cargo.toml b/gremlin-client/Cargo.toml
index 69cbd0d6..d7f2dbde 100644
--- a/gremlin-client/Cargo.toml
+++ b/gremlin-client/Cargo.toml
@@ -15,6 +15,7 @@ readme = "README.md"
 [features]
 
 default = []
+merge_v_tests = []
 
 
 
diff --git a/gremlin-client/tests/integration_traversal.rs b/gremlin-client/tests/integration_traversal.rs
index 195e13a9..eb6ac210 100644
--- a/gremlin-client/tests/integration_traversal.rs
+++ b/gremlin-client/tests/integration_traversal.rs
@@ -1,11 +1,10 @@
-use std::collections::HashMap;
 use std::convert::TryInto;
 
 use gremlin_client::process::traversal::{traversal, Order, __};
 use gremlin_client::structure::{
-    Cardinality, List, Map, Merge, Pop, TextP, Vertex, VertexProperty, P, T,
+    Cardinality, List, Map, Pop, TextP, Vertex, VertexProperty, P, T,
 };
-use gremlin_client::{utils, GKey, GValue};
+use gremlin_client::utils;
 
 mod common;
 
@@ -23,6 +22,7 @@ fn test_simple_vertex_traversal() {
 }
 
 #[test]
+#[cfg(feature = "merge_v_tests")]
 fn test_merge_v_no_options() {
     let g = traversal().with_remote(graph());
     let expected_id = 1_000i64;
@@ -67,6 +67,7 @@ fn test_merge_v_no_options() {
 }
 
 #[test]
+#[cfg(feature = "merge_v_tests")]
 fn test_merge_v_options() {
     let g = traversal().with_remote(graph());
     let expected_label = "test_merge_v_options_label";
@@ -132,6 +133,7 @@ fn test_merge_v_options() {
 }
 
 #[test]
+#[cfg(feature = "merge_v_tests")]
 fn test_merge_v_start_step() {
     let g = traversal().with_remote(graph());
     let expected_id = 10000i64;