Add a unit test for NREL#10902 showing that it CoolingTower:VariableS…

…peed:Merkel is not reported to Equipment Summary - Cooling Towers and Fluid Coolers

```
1001: [ RUN      ] EnergyPlusFixture.CondenserLoopTowers_VSMerkelCoolingTower_OutputReport
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5410: Failure
1001: Expected equality of these values:
1001:   "CoolingTower:VariableSpeed:Merkel"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCType, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5411: Failure
1001: Expected equality of these values:
1001:   "WATER"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCFluidType, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5412: Failure
1001: Expected equality of these values:
1001:   fmt::format("{:.2f}", expectedDesingRange)
1001:     Which is: "6.14"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCRange, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5413: Failure
1001: Expected equality of these values:
1001:   fmt::format("{:.2f}", expectedDesingApproach)
1001:     Which is: "4.56"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCApproach, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5415: Failure
1001: Expected equality of these values:
1001:   "4000.00"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCDesFanPwr, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5416: Failure
1001: Expected equality of these values:
1001:   fmt::format("{:.2f}", expectedDesignInletWB)
1001:     Which is: "25.70"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCDesInletAirWBT, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5418: Failure
1001: Expected equality of these values:
1001:   "0.020000"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCDesWaterFlowRate, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5419: Failure
1001: Expected equality of these values:
1001:   fmt::format("{:.2f}", expectedDesOutletWaterTemp)
1001:     Which is: "30.26"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCLevWaterSPTemp, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5421: Failure
1001: Expected equality of these values:
1001:   "COOLINGTOWER LOOP"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCCondLoopName, TowerName)
1001:     Which is: "NOT FOUND"
1001: /home/julien/Software/Others/EnergyPlus2/tst/EnergyPlus/unit/CondenserLoopTowers.unit.cc:5422: Failure
1001: Expected equality of these values:
1001:   "COOLINGTOWER SUPPLY EQUIPMENT BRANCH 1"
1001:   OutputReportPredefined::RetrievePreDefTableEntry(*state, orp.pdchCTFCCondLoopBranchName, TowerName)
1001:     Which is: "NOT FOUND"
1001: [  FAILED  ] EnergyPlusFixture.CondenserLoopTowers_VSMerkelCoolingTower_OutputReport (2392 ms)
```