Move tests to lsp-types as appropriate

Tests should go in the same package as the module they are testing. This
also makes it easier to e.g. run the tests for lsp-types even if lsp is
not compiling.

Author: michaelpj

lsp-types/lsp-types.cabal

@@ -93,6 +93,34 @@ library
   default-language:    Haskell2010
   default-extensions: StrictData
 
+test-suite lsp-types-test
+  type:                exitcode-stdio-1.0
+  hs-source-dirs:      test
+  main-is:             Main.hs
+  other-modules:       Spec
+                       CapabilitiesSpec
+                       JsonSpec
+                       MethodSpec
+                       ServerCapabilitiesSpec
+                       SemanticTokensSpec
+                       TypesSpec
+                       URIFilePathSpec
+                       WorkspaceEditSpec
+  build-depends:       base
+                     , QuickCheck
+                     -- for instance Arbitrary Value
+                     , aeson >= 2.0.3.0
+                     , filepath
+                     , hspec
+                     , lsp-types
+                     , lens >= 4.15.2
+                     , network-uri
+                     , quickcheck-instances
+                     , text
+  build-tool-depends:  hspec-discover:hspec-discover
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N -Wall
+  default-language:    Haskell2010
+
 source-repository head
   type:     git
   location: https://github.com/haskell/lsp

lsp/test/CapabilitiesSpec.hs renamed to lsp-types/test/CapabilitiesSpec.hs

@@ -0,0 +1,7 @@
+module Main where
+
+import Test.Hspec.Runner
+import qualified Spec
+
+main :: IO ()
+main = hspec Spec.spec

lsp/test/JsonSpec.hs renamed to lsp-types/test/JsonSpec.hs

@@ -0,0 +1,9 @@
+{-# OPTIONS_GHC -F -pgmF hspec-discover -optF --module-name=Spec #-}
+{-
+
+See https://github.com/hspec/hspec/tree/master/hspec-discover#readme
+to understand this module
+
+Or http://hspec.github.io/hspec-discover.html
+
+-}