Move /src/test to /tests

tests/ui/parser/parser-unicode-whitespace.rs

@@ -0,0 +1,12 @@
+// run-pass
+// Beware editing: it has numerous whitespace characters which are important.
+// It contains one ranges from the 'PATTERN_WHITE_SPACE' property outlined in
+// https://unicode.org/Public/UNIDATA/PropList.txt
+//
+// The characters in the first expression of the assertion can be generated
+// from: "4\u{0C}+\n\t\r7\t*\u{20}2\u{85}/\u{200E}3\u{200F}*\u{2028}2\u{2029}"
+pub fn main() {
+assert_eq!(4+
+
+7   * 2…/‎3‏*
2
, 4 + 7 * 2 / 3 * 2);
+}