Create a test for highlighting unknown imported packages

Author: eliericha

integration/vscode/ada/test/TestWorkspace/highlighing/unknown_imports/pkg.ads

@@ -0,0 +1,8 @@
+--  This test intends to check that unknown packages do not
+--  get semantic tokens assigned to them
+with Ada.Text_IO;
+with Unknown.Pkg;
+
+package Pkg is
+   pragma Preelaborate;
+end Pkg;

integration/vscode/ada/test/TestWorkspace/highlighing/unknown_imports/pkg.ads.sem.tokens

@@ -0,0 +1,7 @@
+line   3: column  6 -  8: namespace     [defaultLibrary]                 : Ada
+line   3: column 10 - 16: namespace     [defaultLibrary]                 : Text_IO
+line   4: column  6 - 12: modifier                                       : Unknown
+line   4: column 14 - 16: modifier                                       : Pkg
+line   6: column  9 - 11: namespace     [declaration]                    : Pkg
+line   7: column 11 - 22: modifier                                       : Preelaborate
+line   8: column  5 -  7: namespace                                      : Pkg

integration/vscode/ada/test/TestWorkspace/highlighing/unknown_imports/pkg.ads.snap.advanced

@@ -0,0 +1,33 @@
+>--  This test intends to check that unknown packages do not
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ source.ada comment.line.double-dash.ada
+>--  get semantic tokens assigned to them
+#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ source.ada comment.line.double-dash.ada
+>with Ada.Text_IO;
+#^^^^ source.ada meta.context.with.ada keyword.other.using.ada
+#    ^ source.ada meta.context.with.ada
+#     ^^^^^^^^^^^ source.ada meta.context.with.ada entity.name.package.ada
+#                ^ source.ada meta.context.with.ada punctuation.ada
+>with Unknown.Pkg;
+#^^^^ source.ada meta.context.with.ada keyword.other.using.ada
+#    ^ source.ada meta.context.with.ada
+#     ^^^^^^^^^^^ source.ada meta.context.with.ada entity.name.package.ada
+#                ^ source.ada meta.context.with.ada punctuation.ada
+>
+>package Pkg is
+#^^^^^^^ source.ada meta.declaration.package.specification.ada keyword.ada
+#       ^ source.ada meta.declaration.package.specification.ada
+#        ^^^ source.ada meta.declaration.package.specification.ada entity.name.package.ada
+#           ^ source.ada meta.declaration.package.specification.ada
+#            ^^ source.ada meta.declaration.package.specification.ada keyword.ada
+>   pragma Preelaborate;
+#^^^ source.ada meta.declaration.package.specification.ada
+#   ^^^^^^ source.ada meta.declaration.package.specification.ada meta.pragma.ada keyword.ada
+#         ^ source.ada meta.declaration.package.specification.ada meta.pragma.ada
+#          ^^^^^^^^^^^^ source.ada meta.declaration.package.specification.ada meta.pragma.ada keyword.control.directive.ada
+#                      ^ source.ada meta.declaration.package.specification.ada meta.pragma.ada punctuation.ada
+>end Pkg;
+#^^^ source.ada meta.declaration.package.specification.ada keyword.ada
+#   ^ source.ada meta.declaration.package.specification.ada
+#    ^^^ source.ada meta.declaration.package.specification.ada entity.name.package.ada
+#       ^ source.ada meta.declaration.package.specification.ada punctuation.ada
+>

integration/vscode/ada/test/TestWorkspace/highlighing/unknown_imports/pkg.ads.snap.syntaxes

@@ -0,0 +1,39 @@
+>--  This test intends to check that unknown packages do not
+#^^ source.ada comment.line.ada
+#  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ source.ada comment.line.ada
+>--  get semantic tokens assigned to them
+#^^ source.ada comment.line.ada
+#  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ source.ada comment.line.ada
+>with Ada.Text_IO;
+#^^^^ source.ada keyword.other.ada
+#    ^ source.ada
+#     ^^^ source.ada entity.name.label.ada
+#        ^ source.ada entity.name.operator.ada
+#         ^^^^^^^ source.ada entity.name.label.ada
+#                ^^ source.ada
+>with Unknown.Pkg;
+#^^^^ source.ada keyword.other.ada
+#    ^ source.ada
+#     ^^^^^^^ source.ada entity.name.label.ada
+#            ^ source.ada entity.name.operator.ada
+#             ^^^ source.ada entity.name.label.ada
+#                ^^ source.ada
+>
+>package Pkg is
+#^^^^^^^ source.ada keyword.other.ada
+#       ^ source.ada
+#        ^^^ source.ada entity.name.label.ada
+#           ^ source.ada
+#            ^^ source.ada keyword.other.ada
+>   pragma Preelaborate;
+#^^^ source.ada
+#   ^^^^^^ source.ada keyword.control.ada
+#         ^ source.ada
+#          ^^^^^^^^^^^^ source.ada entity.name.label.ada
+#                      ^^ source.ada
+>end Pkg;
+#^^^ source.ada keyword.other.ada
+#   ^ source.ada
+#    ^^^ source.ada entity.name.label.ada
+#       ^^ source.ada
+>