Adds no-break space closes #2847

doc/Language/testing.pod6

@@ -12,12 +12,15 @@ code works as expected.
 In Perl 6, the L<Test|/type/Test> module provides a testing framework, used also
 by Perl 6's official spectest suite.
 
-The testing functions emit output conforming to the L<Test Anything Protocol|https://testanything.org>. In general, they are used in sink context:
+The testing functions emit output conforming to the
+L<Test Anything Protocol|https://testanything.org>. In general, they are used
+in sink context:
 
 =for code :preamble<use Test; my ($meta,$relaxed-name); sub check-name($meta,:$relaxed-name){}>
 ok check-name($meta, :$relaxed-name), "name has a hyphen rather than '::'"
 
-but all functions also return as a Boolean if the test has been successful or not, which can be used to print a message if the test fails:
+but all functions also return as a Boolean if the test has been successful or
+not, which can be used to print a message if the test fails:
 
 =begin code :preamble<use Test; my ($meta,$relaxed-name); sub check-name($meta,:$relaxed-name){}>
 ok check-name($meta, :$relaxed-name), "name has a hyphen rather than '::'" \
@@ -83,7 +86,7 @@ You can run C<prove6> in a distribution directory this way:
 $ prove6 --lib t/
 
 The C<t/> argument specified directory that contains tests and the
-C<--lib> option is passed to include C<lib> directory into Perl 6
+C<--lib> option is passed to include C<lib> directory into Perl 6
 distribution path, it is an equivalent of C<-Ilib> argument of
 C<perl6> command.