Fixed two failing test, removed 1 failing test because this is no longer a valid one (input is based on Spencer which is now no longer allowed in MacroStablityInwards kernel. Related to Issue [MWDAM-1383]
It turned out that PipingSellmeijerRevisedTests.cs already existed. It should have been named WtiPipingSellmeijerRevisedTests.Related to Issue [MWDAM-1388]