Move existing Compiler.ComponentTests to a new Compiler.fs framework (dotnet#9839)

* Move existing Compiler.ComponentTests to a new Compiler.fs framework; Add 'parse' function

* Changed some wording in error messages

Author: vzarytovskii

tests/FSharp.Compiler.ComponentTests/ErrorMessages/ConfusingTypeName.fs

@@ -1,12 +1,9 @@
 // Copyright (c) Microsoft Corporation.  All Rights Reserved.  See License.txt in the project root for license information.
 
-namespace FSharp.Compiler.ErrorMessages.ComponentTests
+namespace FSharp.Compiler.ComponentTests.ErrorMessages
 
 open Xunit
-open FSharp.Test.Utilities
 open FSharp.Test.Utilities.Compiler
-open FSharp.Test.Utilities.Utilities
-open FSharp.Compiler.SourceCodeServices
 
 module ``Confusing Type Name`` =
 

tests/FSharp.Compiler.ComponentTests/ErrorMessages/ConstructorTests.fs

@@ -17,8 +17,8 @@ doSomething {Record.field1=0; field2=0}
         |> typecheck
         |> shouldFail
         |> withDiagnostics [
-            (Error   1,  Line 4, Col 13, Line 4, Col 40, "This expression was expected to have type\n    'Record list'    \nbut here has type\n    'Record'    ")
-            (Warning 20, Line 4, Col 1,  Line 4, Col 40, "The result of this expression has type 'int list' and is implicitly ignored. Consider using 'ignore' to discard this value explicitly, e.g. 'expr |> ignore', or 'let' to bind the result to a name, e.g. 'let result = expr'.")]
+            (Warning 20, Line 4, Col 1,  Line 4, Col 40, "The result of this expression has type 'int list' and is implicitly ignored. Consider using 'ignore' to discard this value explicitly, e.g. 'expr |> ignore', or 'let' to bind the result to a name, e.g. 'let result = expr'.")
+            (Error   1,  Line 4, Col 13, Line 4, Col 40, "This expression was expected to have type\n    'Record list'    \nbut here has type\n    'Record'    ")]
 
     [<Fact>]
     let ``Comma In Rec Ctor``() =
@@ -46,8 +46,8 @@ let p =
         |> typecheck
         |> shouldFail
         |> withDiagnostics [
-            (Error   39,  Line 7, Col 12, Line 7, Col 16, "The value or constructor 'Name' is not defined. Maybe you want one of the following:" + System.Environment.NewLine + "   nan")
             (Warning 20,  Line 7, Col 12, Line 7, Col 25, "The result of this equality expression has type 'bool' and is implicitly discarded. Consider using 'let' to bind the result to a name, e.g. 'let result = expression'.")
+            (Error   39,  Line 7, Col 12, Line 7, Col 16, "The value or constructor 'Name' is not defined. Maybe you want one of the following:" + System.Environment.NewLine + "   nan")
             (Error   39,  Line 8, Col 12, Line 8, Col 15, "The value or constructor 'Age' is not defined.")
             (Error   501, Line 7, Col 5,  Line 8, Col 21, "The object constructor 'Person' takes 0 argument(s) but is here given 1. The required signature is 'new : unit -> Person'. If some of the arguments are meant to assign values to properties, consider separating those arguments with a comma (',').")]
 

tests/FSharp.Compiler.ComponentTests/ErrorMessages/ElseBranchHasWrongTypeTests.fs

@@ -166,6 +166,6 @@ else
         |> typecheck
         |> shouldFail
         |> withDiagnostics [
+            (Warning 20, Line 3, Col 1,  Line 6, Col 13, "The result of this expression has type 'bool' and is implicitly ignored. Consider using 'ignore' to discard this value explicitly, e.g. 'expr |> ignore', or 'let' to bind the result to a name, e.g. 'let result = expr'.")
             (Error   1,  Line 5, Col 19, Line 5, Col 22, "All branches of an 'if' expression must return values of the same type as the first branch, which here is 'bool'. This branch returns a value of type 'string'.")
-            (Error   1,  Line 6, Col 10, Line 6, Col 13, "All branches of an 'if' expression must return values of the same type as the first branch, which here is 'bool'. This branch returns a value of type 'string'.")
-            (Warning 20, Line 3, Col 1,  Line 6, Col 13, "The result of this expression has type 'bool' and is implicitly ignored. Consider using 'ignore' to discard this value explicitly, e.g. 'expr |> ignore', or 'let' to bind the result to a name, e.g. 'let result = expr'.")]
+            (Error   1,  Line 6, Col 10, Line 6, Col 13, "All branches of an 'if' expression must return values of the same type as the first branch, which here is 'bool'. This branch returns a value of type 'string'.")]

tests/FSharp.Compiler.ComponentTests/ErrorMessages/TypeMismatchTests.fs

@@ -64,8 +64,8 @@ match x with
         |> typecheck
         |> shouldFail
         |> withDiagnostics [
-            (Error   1,  Line 4, Col 10, Line 4, Col 13, "A pattern match guard must be of type 'bool', but this 'when' expression is of type 'string'.")
-            (Warning 20, Line 3, Col 1,  Line 5, Col 13, "The result of this expression has type 'bool' and is implicitly ignored. Consider using 'ignore' to discard this value explicitly, e.g. 'expr |> ignore', or 'let' to bind the result to a name, e.g. 'let result = expr'.")]
+            (Warning 20, Line 3, Col 1,  Line 5, Col 13, "The result of this expression has type 'bool' and is implicitly ignored. Consider using 'ignore' to discard this value explicitly, e.g. 'expr |> ignore', or 'let' to bind the result to a name, e.g. 'let result = expr'.")
+            (Error   1,  Line 4, Col 10, Line 4, Col 13, "A pattern match guard must be of type 'bool', but this 'when' expression is of type 'string'.")]
 
     [<Fact>]
     let ``Runtime Type Test In Pattern``() =

tests/FSharp.Compiler.ComponentTests/ErrorMessages/WarnExpressionTests.fs

@@ -113,7 +113,7 @@ let view model dispatch =
        div [] []
    ]
         """
-        |> withLangVersion46
+        |> withOptions ["--langversion:4.6"]
         |> typecheck
         |> shouldFail
         |> withSingleDiagnostic (Warning 3221, Line 9, Col 8, Line 9, Col 17,
@@ -137,7 +137,7 @@ let view model dispatch =
         ]
    ]
         """
-        |> withLangVersion46
+        |> withOptions ["--langversion:4.6"]
         |> typecheck
         |> shouldFail
         |> withSingleDiagnostic (Warning 3222, Line 13, Col 19, Line 13, Col 41,
@@ -161,7 +161,7 @@ let view model dispatch =
         ]
    ]
         """
-        |> withLangVersion46
+        |> withOptions ["--langversion:4.6"]
         |> typecheck
         |> shouldFail
         |> withSingleDiagnostic (Warning 20, Line 13, Col 19, Line 13, Col 41,

tests/FSharp.Compiler.ComponentTests/Interop/SimpleInteropTests.fs

@@ -1,9 +1,8 @@
 // Copyright (c) Microsoft Corporation.  All Rights Reserved.  See License.txt in the project root for license information.
 
-namespace FSharp.Compiler.Interop.ComponentTests
+namespace FSharp.Compiler.ComponentTests.Interop
 
 open Xunit
-open FSharp.Test.Utilities
 open FSharp.Test.Utilities.Compiler
 
 module ``C# <-> F# basic interop`` =