Remove use of TAP subtests

They turned out to be too much of a portability headache, because they
need a fairly new version of Test::More to work properly.

src/bin/initdb/t/001_initdb.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 14;
+use Test::More tests => 19;
 
 my $tempdir = TestLib::tempdir;
 

src/bin/pg_basebackup/t/010_pg_basebackup.pl

@@ -2,7 +2,7 @@ use strict;
 use warnings;
 use Cwd;
 use TestLib;
-use Test::More tests => 28;
+use Test::More tests => 33;
 
 program_help_ok('pg_basebackup');
 program_version_ok('pg_basebackup');

src/bin/pg_basebackup/t/020_pg_receivexlog.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 3;
+use Test::More tests => 8;
 
 program_help_ok('pg_receivexlog');
 program_version_ok('pg_receivexlog');

src/bin/pg_config/t/001_pg_config.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 7;
+use Test::More tests => 20;
 
 program_help_ok('pg_config');
 program_version_ok('pg_config');

src/bin/pg_controldata/t/001_pg_controldata.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 6;
+use Test::More tests => 13;
 
 my $tempdir = TestLib::tempdir;
 

src/bin/pg_ctl/t/001_start_stop.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 11;
+use Test::More tests => 16;
 
 my $tempdir = TestLib::tempdir;
 my $tempdir_short = TestLib::tempdir_short;

src/bin/scripts/t/010_clusterdb.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 6;
+use Test::More tests => 13;
 
 program_help_ok('clusterdb');
 program_version_ok('clusterdb');

src/bin/scripts/t/011_clusterdb_all.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 1;
+use Test::More tests => 2;
 
 my $tempdir = tempdir;
 start_test_server $tempdir;

src/bin/scripts/t/020_createdb.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 6;
+use Test::More tests => 13;
 
 program_help_ok('createdb');
 program_version_ok('createdb');

src/bin/scripts/t/030_createlang.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 6;
+use Test::More tests => 14;
 
 program_help_ok('createlang');
 program_version_ok('createlang');

src/bin/scripts/t/040_createuser.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 8;
+use Test::More tests => 17;
 
 program_help_ok('createuser');
 program_version_ok('createuser');

src/bin/scripts/t/050_dropdb.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 5;
+use Test::More tests => 11;
 
 program_help_ok('dropdb');
 program_version_ok('dropdb');

src/bin/scripts/t/060_droplang.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 5;
+use Test::More tests => 11;
 
 program_help_ok('droplang');
 program_version_ok('droplang');

src/bin/scripts/t/070_dropuser.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 5;
+use Test::More tests => 11;
 
 program_help_ok('dropuser');
 program_version_ok('dropuser');

src/bin/scripts/t/080_pg_isready.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 5;
+use Test::More tests => 10;
 
 program_help_ok('pg_isready');
 program_version_ok('pg_isready');

src/bin/scripts/t/090_reindexdb.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 7;
+use Test::More tests => 16;
 
 program_help_ok('reindexdb');
 program_version_ok('reindexdb');

src/bin/scripts/t/091_reindexdb_all.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 1;
+use Test::More tests => 2;
 
 my $tempdir = tempdir;
 start_test_server $tempdir;

src/bin/scripts/t/100_vacuumdb.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 8;
+use Test::More tests => 18;
 
 program_help_ok('vacuumdb');
 program_version_ok('vacuumdb');

src/bin/scripts/t/101_vacuumdb_all.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 1;
+use Test::More tests => 2;
 
 my $tempdir = tempdir;
 start_test_server $tempdir;

src/bin/scripts/t/102_vacuumdb_stages.pl

 use strict;
 use warnings;
 use TestLib;
-use Test::More tests => 2;
+use Test::More tests => 4;
 
 my $tempdir = tempdir;
 start_test_server $tempdir;

src/test/perl/TestLib.pm

@@ -37,21 +37,6 @@ BEGIN
 	{
 		plan skip_all => "IPC::Run not available";
 	};
-
-	eval {
-		Test::More->VERSION('0.93_01');
-	} or do
-	{
-		plan skip_all => "version of Test::More is too old to support subplans";
-	};
-
-	eval {
-		require Test::Simple;
-		Test::Simple->VERSION('0.98');
-	} or do
-	{
-		plan skip_all => "version of Test::Simple is too old to support subplans properly";
-	};
 }
 
 # Set to untranslated messages, to be able to compare program output
@@ -180,67 +165,51 @@ sub command_exit_is
 sub program_help_ok
 {
 	my ($cmd) = @_;
-	subtest "$cmd --help" => sub {
-		plan tests => 3;
-		my ($stdout, $stderr);
-		my $result = run [ $cmd, '--help' ], '>', \$stdout, '2>', \$stderr;
-		ok($result, "$cmd --help exit code 0");
-		isnt($stdout, '', "$cmd --help goes to stdout");
-		is($stderr, '', "$cmd --help nothing to stderr");
-	};
+	my ($stdout, $stderr);
+	my $result = run [ $cmd, '--help' ], '>', \$stdout, '2>', \$stderr;
+	ok($result, "$cmd --help exit code 0");
+	isnt($stdout, '', "$cmd --help goes to stdout");
+	is($stderr, '', "$cmd --help nothing to stderr");
 }
 
 sub program_version_ok
 {
 	my ($cmd) = @_;
-	subtest "$cmd --version" => sub {
-		plan tests => 3;
-		my ($stdout, $stderr);
-		my $result = run [ $cmd, '--version' ], '>', \$stdout, '2>', \$stderr;
-		ok($result, "$cmd --version exit code 0");
-		isnt($stdout, '', "$cmd --version goes to stdout");
-		is($stderr, '', "$cmd --version nothing to stderr");
-	};
+	my ($stdout, $stderr);
+	my $result = run [ $cmd, '--version' ], '>', \$stdout, '2>', \$stderr;
+	ok($result, "$cmd --version exit code 0");
+	isnt($stdout, '', "$cmd --version goes to stdout");
+	is($stderr, '', "$cmd --version nothing to stderr");
 }
 
 sub program_options_handling_ok
 {
 	my ($cmd) = @_;
-	subtest "$cmd options handling" => sub {
-		plan tests => 2;
-		my ($stdout, $stderr);
-		my $result = run [ $cmd, '--not-a-valid-option' ], '>', \$stdout,
-		  '2>', \$stderr;
-		ok(!$result, "$cmd with invalid option nonzero exit code");
-		isnt($stderr, '', "$cmd with invalid option prints error message");
-	};
+	my ($stdout, $stderr);
+	my $result = run [ $cmd, '--not-a-valid-option' ], '>', \$stdout, '2>', \$stderr;
+	ok(!$result, "$cmd with invalid option nonzero exit code");
+	isnt($stderr, '', "$cmd with invalid option prints error message");
 }
 
 sub command_like
 {
 	my ($cmd, $expected_stdout, $test_name) = @_;
-	subtest $test_name => sub {
-		plan tests => 3;
-		my ($stdout, $stderr);
-		my $result = run $cmd, '>', \$stdout, '2>', \$stderr;
-		ok($result, "@$cmd exit code 0");
-		is($stderr, '', "@$cmd no stderr");
-		like($stdout, $expected_stdout, "$test_name: matches");
-	};
+	my ($stdout, $stderr);
+	my $result = run $cmd, '>', \$stdout, '2>', \$stderr;
+	ok($result, "@$cmd exit code 0");
+	is($stderr, '', "@$cmd no stderr");
+	like($stdout, $expected_stdout, "$test_name: matches");
 }
 
 sub issues_sql_like
 {
 	my ($cmd, $expected_sql, $test_name) = @_;
-	subtest $test_name => sub {
-		plan tests => 2;
-		my ($stdout, $stderr);
-		truncate $test_server_logfile, 0;
-		my $result = run $cmd, '>', \$stdout, '2>', \$stderr;
-		ok($result, "@$cmd exit code 0");
-		my $log = `cat '$test_server_logfile'`;
-		like($log, $expected_sql, "$test_name: SQL found in server log");
-	};
+	my ($stdout, $stderr);
+	truncate $test_server_logfile, 0;
+	my $result = run $cmd, '>', \$stdout, '2>', \$stderr;
+	ok($result, "@$cmd exit code 0");
+	my $log = `cat '$test_server_logfile'`;
+	like($log, $expected_sql, "$test_name: SQL found in server log");
 }
 
 1;