Specs to be fixed for ubuntu-22.04

[oleksii-leonov]

There are 4 specs failing on ubuntu-22.04 (GDAL 3.4.1):

• [x] spec/integration/gdal/raster_band_info_spec.rb:181 # Raster Band Info #scale returns a Float (PR #84)

  1) Raster Band Info #scale returns a Float
   Failure/Error: raise GDAL::Error, "GDALGetRasterScale failed" unless success.read_bytes(1).to_bool
  
   GDAL::Error:
     GDALGetRasterScale failed
   # ./lib/gdal/raster_band.rb:355:in `scale'
   # ./spec/integration/gdal/raster_band_info_spec.rb:182:in `block (3 levels) in <top (required)>'

• [x] spec/integration/gdal/raster_band_info_spec.rb:194 # Raster Band Info #offset returns a Float (PR #84)

  2) Raster Band Info #offset returns a Float
   Failure/Error: raise GDAL::Error, "GDALGetRasterOffset failed" unless success.read_bytes(1).to_bool
  
   GDAL::Error:
     GDALGetRasterOffset failed
   # ./lib/gdal/raster_band.rb:384:in `offset'
   # ./spec/integration/gdal/raster_band_info_spec.rb:195:in `block (3 levels) in <top (required)>'

• [x] spec/integration/gdal/dataset_info_spec.rb:163 # Dataset Info #geo_transform= read-only dataset raises a GDAL::UnsupportedOperation (PR #86)

  3) Dataset Info #geo_transform= read-only dataset raises a GDAL::UnsupportedOperation
   Failure/Error: expect { subject.geo_transform = geo_transform }.to raise_exception GDAL::UnsupportedOperation
     expected GDAL::UnsupportedOperation but nothing was raised
   # ./spec/integration/gdal/dataset_info_spec.rb:164:in `block (4 levels) in <top (required)>'

• [x] spec/unit/ogr/extensions/geometry/rttopo_extensions_spec.rb:38 # OGR::Geometry#makevalid crossing lines makes a valid MULTIPOLYGON (slightly different polygon returned, due to newer rttopo version)_ (PR #88)

  4) OGR::Geometry#make_valid crossing lines makes a valid MULTIPOLYGON
   Failure/Error: expect(subject.make_valid.to_wkt).to eq(ci_expected_wkt).or eq(local_expected_wkt)
  
        expected: #<Encoding:UTF-8> "MULTIPOLYGON (((0 0,0 10,3.33333333333333 6.66666666666667,0 0)),((3.33333333333333 6.66666666666667,5 10,5 5,3.33333333333333 6.66666666666667)),((10 0,5 0,5 5,10 0)))"
             got: #<Encoding:ASCII-8BIT> "MULTIPOLYGON (((10 0,5 0,5 5,10 0)),((3.33333333333333 6.66666666666667,0 0,0 10,3.33333333333333 6.66666666666667)),((5 10,5 5,3.33333333333333 6.66666666666667,5 10)))"

[oleksii-leonov]

ubuntu-22.04 support is ready in PR #97.