Add missing test suite

Author: snoyberg

test/integration/tests/397-case-insensitive-flags/Main.hs

@@ -0,0 +1,10 @@
+import StackTest
+
+main :: IO ()
+main = do
+    stackErr ["build"]
+    stack ["build", "--flag", "new-template:fixIt"]
+    stack ["build", "--flag", "new-template:fixit"]
+    stack ["build", "--flag", "new-template:fiXit"]
+    stack ["build", "--flag", "*:fiXit"]
+    stackErr ["build", "--flag", "*:fiXit-else"]

test/integration/tests/397-case-insensitive-flags/files/new-template.cabal

@@ -0,0 +1,18 @@
+name:                new-template
+version:             0.1.0.0
+build-type:          Simple
+cabal-version:       >=1.10
+
+flag fixIt
+  manual: True
+  default: False
+  description: Make the build work
+
+library
+  hs-source-dirs:      src
+  exposed-modules:     Lib
+  default-language:    Haskell2010
+  if flag(fixIt)
+    build-depends: base >= 4.7
+  else
+    build-depends: base < 4.7 && > 4.7

test/integration/tests/397-case-insensitive-flags/files/src/Lib.hs

@@ -0,0 +1,6 @@
+module Lib
+    ( someFunc
+    ) where
+
+someFunc :: IO ()
+someFunc = putStrLn "someFunc"

test/integration/tests/397-case-insensitive-flags/files/stack.yaml

@@ -0,0 +1 @@
+resolver: lts-2.9