Share more code in task lib test files

src/tests/task/defer.luau

@@ -41,19 +41,7 @@ assert(flag3 == 3, "Defer should run after spawned threads")
 
 -- Varargs should get passed correctly
 
-local function fcheck(index: number, type: string, value: any)
-	if typeof(value) ~= type then
-		console.error(
-			string.format(
-				"Expected argument #%d to be of type %s, got %s",
-				index,
-				type,
-				console.format(value)
-			)
-		)
-		process.exit(1)
-	end
-end
+local fcheck = require("./fcheck")
 
 local function f(...: any)
 	fcheck(1, "string", select(1, ...))

src/tests/task/delay.luau

@@ -28,19 +28,7 @@ assert(not flag2, "Delay should work with yielding (2)")
 
 -- Varargs should get passed correctly
 
-local function fcheck(index: number, type: string, value: any)
-	if typeof(value) ~= type then
-		console.error(
-			string.format(
-				"Expected argument #%d to be of type %s, got %s",
-				index,
-				type,
-				console.format(value)
-			)
-		)
-		process.exit(1)
-	end
-end
+local fcheck = require("./fcheck")
 
 local function f(...: any)
 	fcheck(1, "string", select(1, ...))

src/tests/task/fcheck.luau

@@ -0,0 +1,13 @@
+return function(index: number, type: string, value: any)
+	if typeof(value) ~= type then
+		console.error(
+			string.format(
+				"Expected argument #%d to be of type %s, got %s",
+				index,
+				type,
+				console.format(value)
+			)
+		)
+		process.exit(1)
+	end
+end

src/tests/task/spawn.luau

@@ -33,19 +33,7 @@ assert(flag3, "Spawn should run threads made from coroutine.create")
 
 -- Varargs should get passed correctly
 
-local function fcheck(index: number, type: string, value: any)
-	if typeof(value) ~= type then
-		console.error(
-			string.format(
-				"Expected argument #%d to be of type %s, got %s",
-				index,
-				type,
-				console.format(value)
-			)
-		)
-		process.exit(1)
-	end
-end
+local fcheck = require("./fcheck")
 
 local function f(...: any)
 	fcheck(1, "string", select(1, ...))