diff --git a/Cargo.lock b/Cargo.lock
index 892e5aa..1c2289e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -725,12 +725,9 @@ dependencies = [
  "mockito",
  "openapi",
  "regex",
-<<<<<<< HEAD
-=======
  "serde_json",
  "serial_test",
  "snafu",
->>>>>>> origin/main
  "tokio",
 ]
 
diff --git a/pinecone_sdk/Cargo.toml b/pinecone_sdk/Cargo.toml
index b6a6fa4..3bdebc4 100644
--- a/pinecone_sdk/Cargo.toml
+++ b/pinecone_sdk/Cargo.toml
@@ -8,10 +8,6 @@ edition = "2021"
 [dependencies]
 openapi = { path = "../openapi" }
 tokio = { version = "1", features = ["full"] }
-<<<<<<< HEAD
-mockito = "0.30"
-regex = "1.10.4"
-=======
 regex = "1.10.4"
 serde_json = "1.0.117"
 snafu = "0.8.3"
@@ -19,4 +15,3 @@ snafu = "0.8.3"
 [dev-dependencies]
 mockito = "0.30"
 serial_test = "3.1.1"
->>>>>>> origin/main
diff --git a/pinecone_sdk/src/control/create_index.rs b/pinecone_sdk/src/control/create_index.rs
index c76b8d3..aba595f 100644
--- a/pinecone_sdk/src/control/create_index.rs
+++ b/pinecone_sdk/src/control/create_index.rs
@@ -66,11 +66,13 @@ mod tests {
     use core::panic;
     use mockito::mock;
     use openapi::models::serverless_spec;
+    use serial_test::serial;
     use tokio;
 
     #[tokio::test]
+    #[serial]
     async fn test_create_serverless_index_req() {
-        let pinecone = Pinecone::new("api_key".to_string(), Some("controller_url".to_string()));
+        let pinecone = Pinecone::new(Some("api_key".to_string()), Some("controller_url".to_string()), None, None);
         let params = CreateServerlessIndexRequest {
             name: "index_name".to_string(),
             dimension: 10,
@@ -79,7 +81,7 @@ mod tests {
             region: "us-east-1".to_string(),
         };
 
-        let create_index_request = pinecone.create_serverless_index_req(params);
+        let create_index_request = pinecone.expect("REASON").create_serverless_index_req(params);
         assert_eq!(create_index_request.name, "index_name");
         assert_eq!(create_index_request.dimension, 10);
         assert_eq!(create_index_request.metric, Some(Metric::Cosine));
@@ -118,7 +120,7 @@ mod tests {
             )
             .create();
 
-        let pinecone = Pinecone::new("api_key".to_string(), Some(mockito::server_url()));
+        let pinecone = Pinecone::new(Some("api_key".to_string()), Some(mockito::server_url()), None, None);
         let params = CreateServerlessIndexRequest {
             name: "index_name".to_string(),
             dimension: 10,
@@ -127,7 +129,7 @@ mod tests {
             region: "us-east-1".to_string(),
         };
 
-        let result = pinecone.create_serverless_index(params).await;
+        let result = pinecone.expect("REASON").create_serverless_index(params).await;
         
         match result {
             Ok(index) => {
diff --git a/pinecone_sdk/src/pinecone.rs b/pinecone_sdk/src/pinecone.rs
index 23e4751..c282f7f 100644
--- a/pinecone_sdk/src/pinecone.rs
+++ b/pinecone_sdk/src/pinecone.rs
@@ -278,6 +278,7 @@ mod tests {
             pinecone.err().unwrap(),
             PineconeError::InvalidHeadersError { .. }
         ));
+        remove_env_var("PINECONE_ADDITIONAL_HEADERS");
     }
 
     #[tokio::test]
@@ -345,5 +346,6 @@ mod tests {
             pinecone.as_ref().unwrap().config.additional_headers,
             mock_arg_headers.clone()
         );
+        
     }
 }