[#23777] yugabyted: updating the pg parity testcase to reflect the ne…

…w gflags enabled for the pg parity feature.

Summary:
Updating the pg parity testcase to remove size based fetching gflags and including gflag to enable bitmap scans.
Jira: DB-12683

Test Plan: ./yb_build.sh --java-test 'org.yb.yugabyted.TestYugabytedPgParity.testPgParity'

Reviewers: djiang

Reviewed By: djiang

Subscribers: yugabyted-dev

Differential Revision: https://phorge.dev.yugabyte.com/D37783

java/yb-yugabyted/src/test/java/org/yb/yugabyted/TestYugabytedPgParity.java

@@ -121,7 +121,7 @@ public void testPgParity() throws Exception {
         boolean ysqlPgConfCsvFound = false;
         String expectedValue = "yb_enable_base_scans_cost_model=true," +
             "yb_enable_optimizer_statistics=true,yb_bnl_batch_size=1024," +
-            "yb_fetch_row_limit=0,yb_fetch_size_limit=1MB,yb_use_hash_splitting_by_default=false";
+            "yb_use_hash_splitting_by_default=false,yb_enable_bitmapscan=true";
 
         for (int i = 0; i < flags.length(); i++) {
             JSONObject flag = flags.getJSONObject(i);