Moved analyzer tests to its own project

Also moves tests to `./test` which makes it possible
for all test projects to share the same .editorconfig
files and similar.

test/Spectre.Console.Tests/Expectations/Cli/Arguments/ArgumentCannotContainOptions.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Arguments can not contain options.
+
+       --foo <BAR>
+       ^^^^^ Not permitted

test/Spectre.Console.Tests/Expectations/Cli/Arguments/InvalidCharacterInOptionName.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Encountered invalid character '$' in option name.
+
+       --f$oo
+          ^ Invalid character

test/Spectre.Console.Tests/Expectations/Cli/Arguments/InvalidCharacterInValueName.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Encountered invalid character '$' in value name.
+
+       -f|--foo <F$OO>
+                  ^ Invalid character

test/Spectre.Console.Tests/Expectations/Cli/Arguments/LongOptionMustHaveMoreThanOneCharacter.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Long option names must consist of more than one character.
+
+       --f
+         ^ Invalid option name

test/Spectre.Console.Tests/Expectations/Cli/Arguments/MissingLongAndShortName.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       No long or short name for option has been specified.
+
+       <FOO>
+       ^^^^^ Missing option. Was this meant to be an argument?

test/Spectre.Console.Tests/Expectations/Cli/Arguments/MultipleOptionValuesAreNotSupported.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Multiple option values are not supported.
+
+       -f|--foo <FOO> <BAR>
+                      ^^^^^ Too many option values

test/Spectre.Console.Tests/Expectations/Cli/Arguments/MultipleValuesAreNotSupported.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Multiple values are not supported.
+
+       <FOO> <BAR>
+             ^^^^^ Too many values

test/Spectre.Console.Tests/Expectations/Cli/Arguments/OptionNamesCannotStartWithDigit.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Option names cannot start with a digit.
+
+       --1foo
+         ^^^^ Invalid option name

test/Spectre.Console.Tests/Expectations/Cli/Arguments/OptionsMustHaveName.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Options without name are not allowed.
+
+       --foo|-
+             ^ Missing option name

test/Spectre.Console.Tests/Expectations/Cli/Arguments/ShortOptionMustOnlyBeOneCharacter.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Short option names can not be longer than one character.
+
+       --foo|-bar
+              ^^^ Invalid option name

test/Spectre.Console.Tests/Expectations/Cli/Arguments/UnexpectedCharacter.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Encountered unexpected character '$'.
+
+       <FOO> $ <BAR>
+             ^ Unexpected character

test/Spectre.Console.Tests/Expectations/Cli/Arguments/UnterminatedValueName.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Encountered unterminated value name 'BAR'.
+
+       --foo|-f <BAR
+                ^^^^ Unterminated value name

test/Spectre.Console.Tests/Expectations/Cli/Arguments/ValuesMustHaveName.Output.verified.txt

@@ -0,0 +1,5 @@
+Error: An error occured when parsing template.
+       Values without name are not allowed.
+
+       <>
+       ^^ Missing value name