DisableIf-None-Match when fetching tables in benchmark scenarios (#22)

* remove header

* empty string

* disablecaching

* remove explicit empty etag

Author: eric-maynard

benchmarks/src/gatling/scala/org/apache/polaris/benchmarks/simulations/CreateTreeDataset.scala

@@ -149,6 +149,7 @@ class CreateTreeDataset extends Simulation {
     .baseUrl(cp.baseUrl)
     .acceptHeader("application/json")
     .contentTypeHeader("application/json")
+    .disableCaching
 
   // Get the configured throughput for tables and views
   private val tableThroughput = wp.createTreeDataset.tableThroughput

benchmarks/src/gatling/scala/org/apache/polaris/benchmarks/simulations/ReadTreeDataset.scala

@@ -152,6 +152,7 @@ class ReadTreeDataset extends Simulation {
     .baseUrl(cp.baseUrl)
     .acceptHeader("application/json")
     .contentTypeHeader("application/json")
+    .disableCaching
 
   // Get the configured throughput for tables and views
   private val tableThroughput = wp.readTreeDataset.tableThroughput

benchmarks/src/gatling/scala/org/apache/polaris/benchmarks/simulations/ReadUpdateTreeDataset.scala

@@ -142,6 +142,7 @@ class ReadUpdateTreeDataset extends Simulation {
     .baseUrl(cp.baseUrl)
     .acceptHeader("application/json")
     .contentTypeHeader("application/json")
+    .disableCaching
 
   // Get the configured throughput and duration
   private val throughput = wp.readUpdateTreeDataset.throughput