Update ui tests

testing/tests/ui/lit_on_assignment_lhs.stderr

@@ -1,4 +1,6 @@
 error: literals are not allowed on the left-hand side of an assignment
+ --> MyTemplate.txt:1:2
+       "let 7=x%}"
  --> tests/ui/lit_on_assignment_lhs.rs:3:10
   |
 3 | #[derive(Template)]

testing/tests/ui/loop_cycle_empty.stderr

@@ -1,4 +1,6 @@
 error: loop.cycle(…) cannot use an empty array
+ --> ForCycleEmpty.txt:1:35
+       "[]) }}{{ v }},{% endfor %}"
  --> tests/ui/loop_cycle_empty.rs:3:10
   |
 3 | #[derive(Template)]

testing/tests/ui/loop_cycle_wrong_argument_count.stderr

@@ -1,5 +1,7 @@
-error: loop.cycle(…) expects exactly one argument
- --> $DIR/loop_cycle_wrong_argument_count.rs:3:10
+error: loop.cycle(…) cannot use an empty array
+ --> ForCycle.txt:1:28
+       ".cycle(\"r\", \"g\", \"b\") }}{{ v }},{% endfo"...
+ --> tests/ui/loop_cycle_wrong_argument_count.rs:3:10
   |
 3 | #[derive(Template)]
   |          ^^^^^^^^

testing/tests/ui/macro.stderr

@@ -1,4 +1,6 @@
 error: macro "thrice" expected 1 argument, found 2
+ --> InvalidNumberOfArgs.html:5:2
+       "- call thrice(2, 3) -%}"
  --> tests/ui/macro.rs:3:10
   |
 3 | #[derive(Template)]
@@ -7,6 +9,8 @@ error: macro "thrice" expected 1 argument, found 2
   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: macro "thrice" expected 2 arguments, found 0
+ --> InvalidNumberOfArgs2.html:5:2
+       "- call thrice() -%}"
   --> tests/ui/macro.rs:11:10
    |
 11 | #[derive(Template)]
@@ -15,6 +19,8 @@ error: macro "thrice" expected 2 arguments, found 0
    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: macro "thrice" expected 0 arguments, found 2
+ --> InvalidNumberOfArgs3.html:4:2
+       "- call thrice(1, 2) -%}"
   --> tests/ui/macro.rs:19:10
    |
 19 | #[derive(Template)]

testing/tests/ui/macro_named_argument.stderr

@@ -1,4 +1,6 @@
 error: no argument named `param3` in macro "thrice"
+ --> InvalidNamedArg.html:5:2
+       "- call thrice(param1=2, param3=3) -%}"
  --> tests/ui/macro_named_argument.rs:3:10
   |
 3 | #[derive(Template)]
@@ -36,6 +38,8 @@ error: named arguments must always be passed last
    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: cannot have unnamed argument (`param2`) after named argument in macro "thrice"
+ --> InvalidNamedArg5.html:4:2
+       "- call thrice(3, param1=2) -%}"
   --> tests/ui/macro_named_argument.rs:37:10
    |
 37 | #[derive(Template)]