diff --git a/prelude/__internal__/IO.mad b/prelude/__internal__/IO.mad
index 69b6e54d..7a98e222 100644
--- a/prelude/__internal__/IO.mad
+++ b/prelude/__internal__/IO.mad
@@ -51,6 +51,7 @@ export colortrace = (fn, v, a) => trace(prettyCase(fn, v), a)
 
 export red = Terminal.text.red
 export green = Terminal.text.green
+export blue = Terminal.text.blue
 export yellow = Terminal.text.yellow
 export grey = Terminal.text.white
 
diff --git a/prelude/__internal__/Terminal.mad b/prelude/__internal__/Terminal.mad
index 0cad6077..9dcb579d 100644
--- a/prelude/__internal__/Terminal.mad
+++ b/prelude/__internal__/Terminal.mad
@@ -1,5 +1,7 @@
 import String from "String"
 
+
+
 type HandlerId = HandlerId
 export type HandlerId
 
@@ -24,7 +26,6 @@ export ansi = {
   FGMagenta: "35",
   FGCyan: "36",
   FGWhite: "37",
-
   FGBrightBlack: "90",
   FGBrightRed: "91",
   FGBrightGreen: "92",
@@ -33,7 +34,6 @@ export ansi = {
   FGBrightMagenta: "95",
   FGBrightCyan: "96",
   FGBrightWhite: "97",
-
   BGBlack: "40",
   BGRed: "41",
   BGGreen: "42",
@@ -42,7 +42,6 @@ export ansi = {
   BGMagenta: "45",
   BGCyan: "46",
   BGWhite: "47",
-
   BGBrightBlack: "100",
   BGBrightRed: "101",
   BGBrightGreen: "102",
@@ -51,12 +50,10 @@ export ansi = {
   BGBrightMagenta: "105",
   BGBrightCyan: "106",
   BGBrightWhite: "107",
-
   FormatUnderline: "4",
   FormatNoUnderline: "24",
   FormatBold: "1",
   FormatNoBold: "21",
-
   FormatInvert: "7",
 }
 
@@ -69,10 +66,7 @@ export ansi = {
  * ansiColor([ansi.FormatBold, ansi.FGBrightRed], "will be red and bold")
  */
 ansiColor :: List String -> String -> String
-export ansiColor = (parts, str) => colorize(
-  `\x1b[${String.join(";", parts)}m`,
-  str
-)
+export ansiColor = (parts, str) => colorize(`\x1b[${String.join(";", parts)}m`, str)
 
 export text = {
   black: ansiColor([ansi.FGBlack]),
@@ -161,9 +155,7 @@ onWindowResizedFFI :: ({} -> {}) -> HandlerId
 onWindowResizedFFI = extern "madlib__stdio__onWindowResized"
 
 onWindowResized :: (#[Integer, Integer] -> {}) -> HandlerId
-export onWindowResized = (cb) => onWindowResizedFFI(() => {
-  cb(getWindowSize())
-})
+export onWindowResized = (cb) => onWindowResizedFFI(() => { cb(getWindowSize()) })
 
 
 clearWindowResizeHandler :: HandlerId -> {}
@@ -221,10 +213,7 @@ export clearKeyPressedHandler = (id) => #- {
 
 
 getWindowSize :: {} -> #[Integer, Integer]
-export getWindowSize = () => #[
-  #- process.stdout.columns -#,
-  #- process.stdout.rows -#,
-]
+export getWindowSize = () => #[#- process.stdout.columns -#, #- process.stdout.rows -#]
 
 
 getTTYMode :: {} -> TTYMode
diff --git a/prelude/__internal__/Test.mad b/prelude/__internal__/Test.mad
index 6996b8fc..c5461f6e 100644
--- a/prelude/__internal__/Test.mad
+++ b/prelude/__internal__/Test.mad
@@ -48,8 +48,11 @@ PREFIX_FAIL = IS_COLOR_ENABLED
 CHAR_CROSS :: String
 CHAR_CROSS = "×"
 
+CHAR_INCOMPLETE :: String
+CHAR_INCOMPLETE = "⧜"
+
 EMPTY_REPORT :: TestReport
-EMPTY_REPORT = TestReport("", 0, 0, 0)
+EMPTY_REPORT = TestReport("", 0, 0, 0, 0)
 
 CWD :: String
 CWD = Process.getCurrentWorkingDirectory()
@@ -60,7 +63,7 @@ CWD = Process.getCurrentWorkingDirectory()
 // SuiteResult(total, succeeded, failed)
 type SuiteResult = SuiteResult(Integer, Integer, Integer)
 
-type TestResult = Success(String) | Failure(String, String)
+type TestResult = Success(String) | Failure(String, String) | Skipped(String)
 
 isSuccess :: TestResult -> Boolean
 isSuccess = (res) => where(res) {
@@ -104,47 +107,60 @@ export type AssertionError
   | NotImplemented
 
 
-// Contains the accumulated String to be displayed,
-// the amount of tests run, the amount of successful tests,
-// and the amount of failed tests
-type TestReport = TestReport(String, Integer, Integer, Integer)
+/**
+ * TestReport
+ * accumulated report - String
+ * total tests - Integer
+ * successful runs - Integer
+ * failed runs- Integer
+ * skipped - Integer
+ */
+type TestReport = TestReport(String, Integer, Integer, Integer, Integer)
 
 
 getMessage :: TestReport -> String
 getMessage = where {
-  TestReport(str, _, _, _) =>
+  TestReport(str, _, _, _, _) =>
     str
 }
 
 
 getTotal :: TestReport -> Integer
 getTotal = where {
-  TestReport(_, total, _, _) =>
+  TestReport(_, total, _, _, _) =>
     total
 }
 
 
 getSuccessCount :: TestReport -> Integer
 getSuccessCount = where {
-  TestReport(_, _, success, _) =>
+  TestReport(_, _, success, _, _) =>
     success
 }
 
 
 getFailureCount :: TestReport -> Integer
 getFailureCount = where {
-  TestReport(_, _, _, failed) =>
+  TestReport(_, _, _, failed, _) =>
     failed
 }
 
+getSkippedCount :: TestReport -> Integer
+getSkippedCount = where {
+  TestReport(_, _, _, _, skipped) =>
+    skipped
+}
 
 resultToReport :: TestResult -> TestReport
 resultToReport = (result) => where(result) {
   Failure(_, message) =>
-    TestReport(message, 1, 0, 1)
+    TestReport(message, 1, 0, 1, 0)
 
   Success(_) =>
-    TestReport("", 1, 1, 0)
+    TestReport("", 1, 1, 0, 0)
+
+  Skipped(_) =>
+    TestReport("", 1, 0, 0, 1)
 }
 
 
@@ -154,6 +170,7 @@ mergeReports = (t1, t2) => TestReport(
   getTotal(t1) + getTotal(t2),
   getSuccessCount(t1) + getSuccessCount(t2),
   getFailureCount(t1) + getFailureCount(t2),
+  getSkippedCount(t1) + getSkippedCount(t2),
 )
 
 
@@ -200,10 +217,11 @@ renderAssertionError = (description, assertionError) => where(assertionError) {
     IS_COLOR_ENABLED ? IO.red(`${CHAR_CROSS} ${show(err)}`) : `${CHAR_CROSS} ${show(err)}`
 
   NotImplemented =>
-    IS_COLOR_ENABLED ? IO.red(`${CHAR_CROSS} not implemented`) : `${CHAR_CROSS} not implemented`
+    IS_COLOR_ENABLED
+      ? IO.yellow(`${CHAR_INCOMPLETE} "${description}" not implemented`)
+      : `${CHAR_INCOMPLETE} "${description}" not implemented`
 }
 
-
 test :: String -> (String -> Wish.Wish AssertionError {}) -> Wish.Wish TestResult TestResult
 export test = (description, testFunction) => pipe(
   testFunction,
@@ -216,6 +234,19 @@ export test = (description, testFunction) => pipe(
   ),
 )(description)
 
+skip :: String -> (String -> Wish.Wish AssertionError {}) -> Wish.Wish TestResult TestResult
+export skip = (description, testFunction) => pipe(
+  testFunction,
+  bimap(
+    pipe(
+      always(NotImplemented),
+      renderAssertionError(description),
+      Skipped,
+    ),
+    always(Skipped(description)),
+  ),
+)(description)
+
 
 generateReportSuiteEndMessage :: List (Wish.Wish e a) -> String
 generateReportSuiteEndMessage = pipe(
@@ -410,15 +441,16 @@ runTestSuite = (suitePath, beforeAll, afterAll, testsInSuite) => pipe(
     pipe(
       List.reduce(mergeReports, EMPTY_REPORT),
       where {
-        TestReport(msg, total, success, failed) =>
+        TestReport(msg, total, success, failed, skipped) =>
           (total == 0 || failed > 0)
             ? TestReport(
               `${suitePath}\n${msg}${generateReportSuiteEndMessage(testsInSuite)}`,
               total,
               success,
               failed,
+              skipped,
             )
-            : TestReport("", total, success, failed)
+            : TestReport("", total, success, failed, skipped)
       },
     ),
   ),
@@ -431,6 +463,7 @@ runTestSuite = (suitePath, beforeAll, afterAll, testsInSuite) => pipe(
           List.length(testsInSuite),
           0,
           List.length(testsInSuite),
+          List.length(testsInSuite),
         ),
       )
     },