diff --git a/src/build/mod.rs b/src/build/mod.rs
index 19fdff7..7a4bf88 100644
--- a/src/build/mod.rs
+++ b/src/build/mod.rs
@@ -1378,11 +1378,14 @@ impl<'a> FileBuilder<'a> {
     }
 
     fn record_assert_result(&mut self, msg: &str, is_success: bool) {
-        let msg = format!("{}\n", msg);
-        self.assert_collector.summary.push_str(&msg);
         if !is_success {
+            let msg = format!("NOT OK - {}\n", msg);
+            self.assert_collector.summary.push_str(&msg);
             self.assert_collector.failures.push_str(&msg);
             self.assert_collector.success = false;
+        } else {
+            let msg = format!("OK - {}\n", msg);
+            self.assert_collector.summary.push_str(&msg);
         }
     }
 
diff --git a/std/testing.ucg b/std/testing.ucg
index d531beb..122b553 100644
--- a/std/testing.ucg
+++ b/std/testing.ucg
@@ -6,17 +6,13 @@
 // desc will be a descriptive message.
 let asserts = module{
         // allows you to specify a a prefix for messages.
-        ok_prefix = "OK - ",
         // specify the prefix to add when the condition is not true.
-        not_prefix = "NOT ",
         // A default description to use for messages.
         default_description = "TODO description",
     } => {
     
     // Test that a value is true.
     let ok = module{
-        ok_prefix = mod.ok_prefix,
-        not_prefix = mod.not_prefix,
         // test value expected to be true for success.
         test=false,
         // descriptive message to use in output.
@@ -24,16 +20,11 @@ let asserts = module{
     } => {
         let ok = mod.test;
 
-        let desc = select ok, "NOT OK - ", {
-            true = "@@" % (mod.ok_prefix, mod.desc),
-            false = "@@@" % (mod.not_prefix, mod.ok_prefix, mod.desc),
-        };
+        let desc = "@" % (mod.desc);
     };
 
     // Test that a value is not true.
     let not_ok = module{
-        ok_prefix = mod.ok_prefix,
-        not_prefix = mod.not_prefix,
         // Test value expected to to be false for success.
         test=true,
         // descriptive message to use in output.
@@ -41,21 +32,12 @@ let asserts = module{
     } => {
         let ok = mod.test != true;
 
-        let desc_prefix = select ok, "", {
-            true = "@@" % (mod.ok_prefix, mod.desc),
-            false = "@@@" % (mod.not_prefix, mod.ok_prefix, mod.desc),
-        };
+        let desc = "@" % (mod.desc);
 
-        let desc = select (mod.desc == ""), "", {
-            true = "@ not succcessful" % (desc_prefix),
-            false = "@" % (desc_prefix),
-        };
     };
 
     // Asserts that two values are equal. Does deep equal comparisons.
     let equal = module{
-        ok_prefix = mod.ok_prefix,
-        not_prefix = mod.not_prefix,
         // Left value for deep equal comparison.
         left=NULL,
         // right value for deep equal comparison.
@@ -63,16 +45,11 @@ let asserts = module{
     } => {
         let ok = mod.left == mod.right;
 
-        let desc = select ok, "", {
-            true = "@@ == @" % (mod.ok_prefix, mod.left, mod.right),
-            false = "@@@ != @" % (mod.not_prefix, mod.ok_prefix, mod.left, mod.right),
-        };
+        let desc =  "@ == @" % (mod.left, mod.right);
     };
 
     // Asserts that two values are not equal. Does deep equal comparisons.
     let not_equal = module{
-        ok_prefix = mod.ok_prefix,
-        not_prefix = mod.not_prefix,
         // Left value for deep equal comparison.
         left=NULL,
         // right value for deep equal comparison.
@@ -80,9 +57,6 @@ let asserts = module{
     } => {
         let ok = mod.left != mod.right;
 
-        let desc = select ok, "", {
-            true = "@@ != @" % (mod.ok_prefix, mod.left, mod.right),
-            false = "@@@ == @" % (mod.not_prefix, mod.ok_prefix, mod.left, mod.right),
-        };
+        let desc = "@ != @" % (mod.left, mod.right);
     };
 };
\ No newline at end of file
diff --git a/std/tests/testing_test.ucg b/std/tests/testing_test.ucg
index 086067b..5522fc5 100644
--- a/std/tests/testing_test.ucg
+++ b/std/tests/testing_test.ucg
@@ -9,7 +9,7 @@ let not_equal_result = asserts.not_equal{
 assert not_equal_result;
 assert asserts.equal{
     left=not_equal_result.desc,
-    right="OK - 1 != 2",
+    right="1 != 2",
 };
 
 let bad_not_equal_result = asserts.not_equal{
@@ -19,7 +19,7 @@ let bad_not_equal_result = asserts.not_equal{
 assert asserts.not_ok{test=bad_not_equal_result.ok};
 assert asserts.equal{
     left=bad_not_equal_result.desc,
-    right="NOT OK - 1 == 1",
+    right="1 != 1",
 };
 
 
@@ -30,7 +30,7 @@ let equal_result = asserts.equal{
 assert equal_result;
 assert asserts.equal{
     left=equal_result.desc,
-    right="OK - 1 == 1",
+    right="1 == 1",
 };
 
 let bad_equal_result = asserts.equal{
@@ -39,7 +39,7 @@ let bad_equal_result = asserts.equal{
 };
 assert asserts.equal{
     left=bad_equal_result.desc,
-    right="NOT OK - 1 != 2",
+    right="1 == 2",
 };
 
 let ok_result = asserts.ok{
@@ -48,7 +48,7 @@ let ok_result = asserts.ok{
 assert ok_result;
 assert asserts.equal{
     left=ok_result.desc,
-    right="OK - TODO description",
+    right="TODO description",
 };
 
 let bad_ok_result = t.asserts.ok{
@@ -56,7 +56,7 @@ let bad_ok_result = t.asserts.ok{
 };
 assert asserts.equal{
     left=bad_ok_result.desc,
-    right="NOT OK - TODO description",
+    right="TODO description",
 };
 
 let not_ok_result = asserts.not_ok{
@@ -65,5 +65,5 @@ let not_ok_result = asserts.not_ok{
 assert not_ok_result;
 assert asserts.equal{
     left=not_ok_result.desc,
-    right="OK - TODO description",
+    right="TODO description",
 };
\ No newline at end of file