fix undefinition of print before other MacroTestCases

kiss/src/kiss/KissInterp.hx

@@ -85,7 +85,7 @@ class KissInterp extends Interp {
     }
 
     override function exprReturn(e):Dynamic {
-        // the default exprReturn() contains a try-catch which, though it is important, hides very important macroexpansion callstacks sometimes
+        // the default exprReturn() contains a try-catch which, though it is important (break, continue, and return statements require it), hides very important macroexpansion callstacks sometimes
         #if macrotest
         return expr(e);
         #else

kiss/src/test/cases/MacroTestCase.hx

@@ -25,7 +25,8 @@ class MacroTestCase extends Test {
     }
 
     function testUndefAlias() {
-        Assert.equals(9, print);
+        Assert.equals(9, chooseRandom);
+        Assert.equals(6, print(5));
         Assert.equals(9, aliasValue());
     }
 

kiss/src/test/cases/MacroTestCase.kiss

@@ -98,4 +98,27 @@
     (Assert.equals "intended" (_testTryCatchWithoutDynamicMacro)))
 
 (function _testAssertReturnsValue []
-    (Assert.equals true (assert true)))
+    (Assert.equals true (assert true)))
+
+
+// DANGEROUS tests:
+
+// (don't add new tests below here, because these tests redefine important forms)
+
+// If for whatever reason, you wanted to make a variable with the name of a built-in identifier alias:
+(undefAlias &ident chooseRandom)
+(var chooseRandom 9)
+
+// Also if you want a function called print:
+(undefAlias &call print)
+(function print [thing] (+ 1 thing))
+
+(defAlias &ident alias 5)
+(undefAlias &ident alias)
+(var alias 9)
+(function aliasValue [] alias)
+
+// If for whatever reason, you wanted to make a function called and
+(undefMacro and)
+(function and [a b] (+ a b))
+(function andValue [] (and 5 6))