Fix tests after changing how cube decides to open files as geotiffs vs cubes

Author: acpaquette

isis/src/base/objs/CubeManager/CubeManager.truth

@@ -50,5 +50,4 @@ Setting number of open cubes > 60 percent of system open file limit
 
 Attempting to open a file that does not exist:
   **I/O ERROR** Failed to open [dne.cub].
-**PROGRAMMER ERROR** Gdal failed to open [dne.cub].
 **I/O ERROR** Unable to open [dne.cub].

isis/src/base/objs/ShapeModelFactory/ShapeModelFactory.truth

@@ -40,7 +40,6 @@ Unit test for Isis::ShapeModel
 **I/O ERROR** Invalid shape model file [NotAFile] in Kernels group.
 **ERROR** The given shape model file is not a valid ISIS DEM. Unable to open as an ISIS cube.
 **I/O ERROR** Failed to open [NotAFile].
-**PROGRAMMER ERROR** Gdal failed to open [NotAFile].
 **I/O ERROR** Unable to open [NotAFile].
 **ERROR** The given shape model file is not a valid NAIF DSK file. Unable to construct a NAIF DSK shape model.
 **USER ERROR** NAIF DSK file [NotAFile] does not exist.

isis/src/base/objs/SpectralDefinitionFactory/SpectralDefinitionFactory.truth

@@ -2,8 +2,6 @@
 **ERROR** Unable to open input file [assets/test.csv]. Is it a valid CSV?.
 **USER ERROR** Unable to open file [assets/test.csv].
 **I/O ERROR** Failed to open [assets/test.txt].
-**PROGRAMMER ERROR** Gdal failed to open [assets/test.txt].
 **I/O ERROR** Unable to open [assets/test.txt].
 **I/O ERROR** Failed to open [assets/cube.cub].
-**PROGRAMMER ERROR** Gdal failed to open [assets/cube.cub].
 **I/O ERROR** Unable to open [assets/cube.cub].

isis/tests/GTiffTests.cpp

@@ -90,7 +90,7 @@ TEST_F(TempTestingFiles, TestGTiffCreateWriteCopy) {
 
   // Test the open and read methods
   Cube in(file2);
-  check_tiff(in, file2, 150, 200, 2, 0, 1, 7, 0, 2, 1, 1, 0, 6516);
+  check_tiff(in, file2, 150, 200, 2, 0, 1, 7, 0, 2, 1, 1, 0, 65536);
 
   LineManager inLine(in);
   j = 0;