ppTests rm whitespace_directives

- Replacing with more thorough tests.

sv-parser-pp/src/preprocess.rs

@@ -1482,23 +1482,4 @@ mod tests {
         );
         assert_eq!(format!("{:?}", ret), "Err(ExceedRecursiveLimit)");
     } // }}}
-
-    // Check that preprocess() doesn't introduce extra whitespace within and
-    // around compiler directives.
-    #[test]
-    fn whitespace_directives() { // {{{
-        let include_paths = [testfile_path("")];
-        let (ret, _) = preprocess(
-            testfile_path("whitespace_directives.sv"),
-            &HashMap::new(),
-            &include_paths,
-            false,
-            false,
-        )
-        .unwrap();
-        assert_eq!(
-            ret.text(),
-            testfile_contents("expected/whitespace_directives.sv")
-        );
-    } // }}}
 }

sv-parser-pp/testcases/expected/whitespace_directives.sv

@@ -1,17 +0,0 @@
-//top
-`resetall
-`timescale 10 us / 100 ns
-`default_nettype wire
-//first
-`default_nettype none//middle
-//last
-`unconnected_drive pull0
-`unconnected_drive pull1
-`nounconnected_drive
-`celldefine
-`endcelldefine
-`pragma foo
-`pragma foo bar
-`line 5 "foo" 0
-`begin_keywords "1800-2017"
-`end_keywords

sv-parser-pp/testcases/whitespace_directives.sv

@@ -1,17 +0,0 @@
-//top
-`resetall
-`timescale 10 us / 100 ns
-`default_nettype wire
-//first
-`default_nettype none//middle
-//last
-`unconnected_drive pull0
-`unconnected_drive pull1
-`nounconnected_drive
-`celldefine
-`endcelldefine
-`pragma foo
-`pragma foo bar
-`line 5 "foo" 0
-`begin_keywords "1800-2017"
-`end_keywords