[core] Fix typo for godoc

Signed-off-by: deadprogram <[email protected]>

gobottest/gobottest.go

@@ -18,15 +18,15 @@ func logFailure(t *testing.T, message string) {
 	errFunc(t, fmt.Sprintf("%v:%v: %v", s[len(s)-1], line, message))
 }
 
-// Assert checks if a and b are equal, emis a t.Errorf if they are not equal.
+// Assert checks if a and b are equal, emits a t.Errorf if they are not equal.
 func Assert(t *testing.T, a interface{}, b interface{}) {
 	if !reflect.DeepEqual(a, b) {
 		logFailure(t, fmt.Sprintf("%v - \"%v\", should equal,  %v - \"%v\"",
 			a, reflect.TypeOf(a), b, reflect.TypeOf(b)))
 	}
 }
 
-// Refute checks if a and b are equal, emis a t.Errorf if they are equal.
+// Refute checks if a and b are equal, emits a t.Errorf if they are equal.
 func Refute(t *testing.T, a interface{}, b interface{}) {
 	if reflect.DeepEqual(a, b) {
 		logFailure(t, fmt.Sprintf("%v - \"%v\", should not equal,  %v - \"%v\"",