try to deflake test

Change-Id: I98ad5c58e33f35f6165db39963467b17cf7d8745

Author: igorbernstein2

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/stub/DynamicFlowControlCallableTest.java

@@ -100,10 +100,11 @@ public void cleanup() {
 
   @Test
   public void testLatenciesAreRecorded() throws Exception {
-    DynamicFlowControlStats stats = new DynamicFlowControlStats();
     DynamicFlowControlCallable callableToTest =
         new DynamicFlowControlCallable(
-            innerCallable, flowController, stats, TARGET_LATENCY_MS, ADJUSTING_INTERVAL_MS);
+            // significantly increase targetLatency to ensure that slow CI runners dont accidentally
+            // trigger a resize
+            innerCallable, flowController, stats, TARGET_LATENCY_MS * 10, ADJUSTING_INTERVAL_MS);
     Map<String, List<String>> extraHeaders = new HashMap<>();
     extraHeaders.put(LATENCY_HEADER, Arrays.asList("5"));
     ApiCallContext newContext = context.withExtraHeaders(extraHeaders);