text: /**
   * Verify that transactions can be run on the in-memory storage engine. inMemory transactions are
   * not fully supported, but should work for basic MongoDB user testing.
   *
   * TODO: remove this test when general transaction testing is turned on with the inMemory storage
   * engine (SERVER-36023).
   */
  (function() {
      "use strict";
  
      if (jsTest.options().storageEngine !== "inMemory") {
          jsTestLog("Skipping test because storageEngine is not inMemory");
          return;
      }
  
      const dbName = "test";
      const collName = "transactions_work_with_in_memory_engine";
  
      const replTest = new ReplSetTest({name: collName, nodes: 1});
      replTest.startSet({storageEngine: "inMemory"});
      replTest.initiate();
  
      const primary = replTest.getPrimary();
  
      // Initiate a session.
      const sessionOptions = {causalConsistency: false};
      const session = primary.getDB(dbName).getMongo().startSession(sessionOptions);
      const sessionDb = session.getDatabase(dbName);
  
      // Create collection.
      assert.commandWorked(sessionDb[collName].insert({x: 0}));
  
      // Execute a transaction that should succeed.
      session.startTransaction();
      assert.commandWorked(sessionDb[collName].insert({x: 1}));
      session.commitTransaction();
  
      session.endSession();
      replTest.stopSet();
  }());
  