Split test cases in separate files

test/1.testcase

@@ -0,0 +1,6 @@
+3   4
+4   3
+2   5
+1   3
+3   9
+3   3

test/2.testcase

@@ -0,0 +1,6 @@
+7 6 4 2 1
+1 2 7 8 9
+9 7 6 2 1
+1 3 2 4 5
+8 6 4 4 1
+1 3 6 7 9

test/Main.hs

@@ -4,14 +4,17 @@ import Day1
 import Day2
 
 main :: IO ()
-main = hspec $ do
+main = do
+  day1in <- readFile "test/1.testcase"
+  day2in <- readFile "test/2.testcase"
+  hspec $ do
     describe "Day1" $ do
       it "solves part 1" $ do
-      Day1.part1 "3   4\n4   3\n2   5\n1   3\n3   9\n3   3\n" `shouldBe` "11"
+        Day1.part1 day1in `shouldBe` "11"
       it "solves part 2" $ do
-      Day1.part2 "3   4\n4   3\n2   5\n1   3\n3   9\n3   3\n" `shouldBe` "31"
+        Day1.part2 day1in `shouldBe` "31"
     describe "Day 2" $ do
       it "solves part 1" $ do
-      Day2.part1 "7 6 4 2 1\n1 2 7 8 9\n9 7 6 2 1\n1 3 2 4 5\n8 6 4 4 1\n1 3 6 7 9" `shouldBe` "2"
+        Day2.part1 day2in `shouldBe` "2"
       it "solves part 2" $ do
-      Day2.part2 "7 6 4 2 1\n1 2 7 8 9\n9 7 6 2 1\n1 3 2 4 5\n8 6 4 4 1\n1 3 6 7 9" `shouldBe` "4"
+        Day2.part2 day2in `shouldBe` "4"