message: move c# tests to a folder inside solution\
diff: @@ -22,6 +22,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "transforms", "transforms\tr
  EndProject
  Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "band_power", "band_power\band_power.csproj", "{5171230B-C470-4542-8BA1-DEDDE754E2D9}"
  EndProject
  +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{FF155433-168F-4A55-BA98-DFD197A98185}"
  +EndProject
  Global
  GlobalSection(SolutionConfigurationPlatforms) = preSolution
  Debug|Any CPU = Debug|Any CPU
  @@ -132,6 +134,15 @@ Global
  GlobalSection(SolutionProperties) = preSolution
  HideSolutionNode = FALSE
  EndGlobalSection
  + GlobalSection(NestedProjects) = preSolution
  + {330E2FB8-FF1F-4B60-877A-0BF98AA12848} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + {CEEE900B-DB7A-4FDE-A9E3-D792FA267AF1} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + {2DB573F8-53DE-46B4-8035-421CDA96F9AC} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + {0EEFF5CE-0159-4EF4-A4F7-83820836A4CE} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + {971AB6C4-4C98-40AE-82B4-256173BC1B1E} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + {3D7AE55C-F349-4C86-92CB-065C55CD37D9} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + {5171230B-C470-4542-8BA1-DEDDE754E2D9} = {FF155433-168F-4A55-BA98-DFD197A98185}
  + EndGlobalSection
  GlobalSection(ExtensibilityGlobals) = postSolution
  SolutionGuid = {C8CE9ED2-4273-45D4-AD7D-4B9227349E89}
  EndGlobalSection
  