some moco tests fail with both OPENSIM_WITH_TROPTER and OPENSIM_WITH_CASADI=OFF

[carmichaelong]

Test project /Users/carmichaelong/repos/opensim-core/opensim_build
      Start 51: testMocoInterface
 1/11 Test #51: testMocoInterface ................***Failed    0.11 sec
      Start 52: testMocoGoals
 2/11 Test #52: testMocoGoals ....................***Failed    0.05 sec
      Start 53: testMocoParameters
 3/11 Test #53: testMocoParameters ...............   Passed    0.03 sec
      Start 54: testMocoImplicit
 4/11 Test #54: testMocoImplicit .................   Passed    0.04 sec
      Start 55: testMocoConstraints
 5/11 Test #55: testMocoConstraints ..............   Passed    0.10 sec
      Start 56: testMocoContact
 6/11 Test #56: testMocoContact ..................   Passed    0.03 sec
      Start 57: testMocoActuators
 7/11 Test #57: testMocoActuators ................   Passed    0.04 sec
      Start 58: testMocoInverse
 8/11 Test #58: testMocoInverse ..................   Passed    0.03 sec
      Start 59: testMocoTrack
 9/11 Test #59: testMocoTrack ....................   Passed    0.13 sec
      Start 60: testMocoAnalytic
10/11 Test #60: testMocoAnalytic .................   Passed    0.03 sec
      Start 61: testMocoMetabolics
11/11 Test #61: testMocoMetabolics ...............   Passed    0.04 sec

82% tests passed, 2 tests failed out of 11

Total Test time (real) =   0.66 sec

The following tests FAILED:
	 51 - testMocoInterface (Failed)
	 52 - testMocoGoals (Failed)

testMocoInterface is a Catch v2.7.0 host application.
Run with -? for options

-------------------------------------------------------------------------------
Serializing a MocoStudy
-------------------------------------------------------------------------------
/Users/carmichaelong/repos/opensim-core/source/OpenSim/Moco/Test/testMocoInterface.cpp:306
...............................................................................

/Users/carmichaelong/repos/opensim-core/source/OpenSim/Moco/Test/testMocoInterface.cpp:306: FAILED:
due to unexpected exception with message:
  MocoCasADiSolver is not available.
  	Thrown at MocoCasADiSolver.cpp:448 in solveImpl().

[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
[warning] No time bounds set.
===============================================================================
test cases: 13 | 12 passed | 1 failed
assertions: 62 | 61 passed | 1 failed


    Start 52: testMocoGoals
2/2 Test #52: testMocoGoals ....................***Failed    0.05 sec

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
testMocoGoals is a Catch v2.7.0 host application.
Run with -? for options

-------------------------------------------------------------------------------
Test MocoScaleFactor
-------------------------------------------------------------------------------
/Users/carmichaelong/repos/opensim-core/source/OpenSim/Moco/Test/testMocoGoals.cpp:401
...............................................................................

/Users/carmichaelong/repos/opensim-core/source/OpenSim/Moco/Test/testMocoGoals.cpp:401: FAILED:
due to unexpected exception with message:
  MocoCasADiSolver is not available.
  	Thrown at MocoCasADiSolver.cpp:448 in solveImpl().

===============================================================================
test cases:  4 |  3 passed | 1 failed
assertions: 12 | 11 passed | 1 failed