[t/parse.t -> t/compiler.t] describes better the file

Compiling consists of parsing, checking, and codegen, each one currently
inextricable from the others. Better to talk about the whole process than
one of the stages.

t/parse.t → t/compiler.t

@@ -6,7 +6,7 @@ plan *;
 use Yapsi;
 my Yapsi::Compiler $c .= new;
 
-my @programs-that-parse =
+my @programs-that-compile =
     '',
     ';',
     '42',
@@ -25,16 +25,16 @@ my @programs-that-parse =
     '++my $a = 42',
 ;
 
-for @programs-that-parse -> $program {
-    my $can-parse = False;
+for @programs-that-compile -> $program {
+    my $can-compile = False;
     try {
         $c.compile($program);
-        $can-parse = True;
+        $can-compile = True;
     }
-    ok $can-parse, "will parse '$program'";
+    ok $can-compile, "will compile '$program'";
 }
 
-my @programs-that-don't-parse =   # '
+my @programs-that-don't-compile =   # '
     '$a',
     'my',
     '$a; my $a',
@@ -47,13 +47,13 @@ my @programs-that-don't-parse =   # '
     '++42',
 ;
 
-for @programs-that-don't-parse -> $program { # '
-    my $can-parse = False;
+for @programs-that-don't-compile -> $program { # '
+    my $can-compile = False;
     try {
         $c.compile($program);
-        $can-parse = True;
+        $can-compile = True;
     }
-    ok !$can-parse, "will not parse '$program'";
+    ok !$can-compile, "will not compile '$program'";
 }
 
 done_testing;