cleanup: undo tests workarounds for msys2-20230526

Resolves commercialhaskell#6170

Author: ulidtko

tests/integration/tests/3926-ghci-with-sublibraries/Main.hs

@@ -11,13 +11,10 @@ main = do
   copy "src-internal/Internal.v1" "src-internal/Internal.hs"
   stack ["build"] -- need a build before ghci at the moment, see #4148
   stackRepl [] $ do
-    -- The command must be issued before searching the output for the next prompt,
-    -- otherwise, on Windows from msys2-20230526, `stack repl` encounters a EOF
-    -- and terminates gracefully.
-    replCommand ":main"
     liftIO $ putStrLn "Awaiting prompt..."
     nextPrompt
     liftIO $ putStrLn "Initial prompt received"
+    replCommand ":main"
     line <- replGetLine
     let expected = "hello world"
     when (line /= expected) $

tests/integration/tests/4270-files-order/Main.hs

@@ -6,11 +6,8 @@ main :: IO ()
 main = do
   stack ["build"]
   stackRepl [] $ do
-    -- The command must be issued before searching the output for the next
-    -- prompt, otherwise, on Windows from msys2-20230526, `stack repl`
-    -- encounters a EOF and terminates gracefully.
-    replCommand "putStrLn greeting"
     nextPrompt
+    replCommand "putStrLn greeting"
     line <- replGetLine
     let expected = "Hello, world!"
     when (line /= expected) $

tests/integration/tests/module-added-multiple-times/Main.hs

@@ -3,11 +3,8 @@ import StackTest.Repl
 
 main :: IO ()
 main = stackRepl [] $ do
-  -- The command must be issued before searching the output for the next prompt,
-  -- otherwise, on Windows from msys2-20230526, `stack repl` encounters a EOF
-  -- and terminates gracefully.
-  replCommand ":main"
   nextPrompt
+  replCommand ":main"
   line <- replGetLine
   let expected = "Hello World!"
   when (line /= expected) $