reenable a bunch of tests

Author: majocha

tests/FSharp.Compiler.ComponentTests/Miscellaneous/MigratedCoreTests.fs

@@ -130,10 +130,10 @@ let ``namespaceAttributes-FSC_DEBUG`` () = singleTestBuildAndRunVersion "core/na
 let ``namespaceAttributes-FSC_OPTIMIZED`` () = singleTestBuildAndRunVersion "core/namespaces" COMPILED_EXE_APP LangVersion.Preview
 
 [<Fact>]
-let ``unicode2-FSC_DEBUG`` () = singleTestBuildAndRun "core/unicode" FSC_DEBUG // TODO: fails on coreclr
+let ``unicode2-FSC_DEBUG`` () = singleTestBuildAndRun "core/unicode" FSC_DEBUG
 
 [<Fact>]
-let ``unicode2-FSC_OPTIMIZED`` () = singleTestBuildAndRun "core/unicode" FSC_OPTIMIZED // TODO: fails on coreclr
+let ``unicode2-FSC_OPTIMIZED`` () = singleTestBuildAndRun "core/unicode" FSC_OPTIMIZED
 
 [<Fact>]
 let ``unicode2-FSI`` () = singleTestBuildAndRun "core/unicode" FSI
@@ -442,8 +442,7 @@ let ``math-numbersVS2008-FSI`` () = singleTestBuildAndRun "core/math/numbersVS20
 [<Fact>]
 let ``patterns-FSC_OPTIMIZED`` () = singleTestBuildAndRunVersion "core/patterns" FSC_OPTIMIZED LangVersion.Preview
 
-// This requires --multiemit on by default, which is not the case for .NET Framework
-[<FactForNETCOREAPP>]
+[<Fact>]
 let ``patterns-FSI`` () = singleTestBuildAndRun "core/patterns" FSI
 
 [<Fact>]