Changed extension in parsing test data (jet -> kt)

compiler/testData/psi/Precedence.kt

@@ -0,0 +1,58 @@
+fun foo() {
+  b().x
+  x++ . 4
+  ++ -- ! a
+  f(foo<a, a, b>(x))
+  f(foo<a, 1, b>(x))
+  f(foo<a, (a + 1), b>(x))
+  f(foo<a, (b>(x)))
+  f(foo<a, b>(x))
+  f((foo<a), b>(x))
+  f(foo<a, b)
+  a + b
+  a + b * c
+  a + (b * c)
+  (a + b) * c
+  a + b > c * c
+  a + b in c * d
+  a.b
+  a + b.c
+  a.b + c
+  a.b++
+  --a.b++
+  --a * b
+  a+b..b-1
+  1..2 foo 2..3
+  1 foo 2 ?: 1 bar 3
+  a b c d e f g
+  a ?: b in b?: c
+  (a : b) < b : c
+  a < b == b > c
+  a != b && c
+  a || b && c
+  a = b -> c
+  a = b || c
+
+  t : Any
+  t : Any?
+  t as Any<T>?
+  t as Any.Any<T>.Any<T>
+  t as  () -> T
+  t as? Any<T>?
+  t as? Any.Any<T>.Any<T>
+  t as?  () -> T
+
+  t : Any * 1
+  t : Any? * 1
+  t as Any<T>? * 1
+  t as Any.Any<T>.Any<T> * 1
+  t as  () -> T * 1
+  t as? Any<T>? * 1
+  t as? Any.Any<T>.Any<T> * 1
+  t as?  () -> T * 1
+
+  ++t : Any + 1
+  a.b : Any + 1
+
+  (t : Any) * 1
+}