diff --git a/t/00_testssl_help.t b/t/00_testssl_help.t
new file mode 100755
index 0000000..d8dc785
--- /dev/null
+++ b/t/00_testssl_help.t
@@ -0,0 +1,41 @@
+#!/usr/bin/env perl
+
+# Basics: is there a synatx error where alerady bash hiccups on?
+
+use strict;
+use Test::More;
+
+my $tests = 0;
+my $fileout="";
+# Blacklists we use to trigger an error:
+my $error_regexp1='(syntax|parse) (e|E)rror';
+my $error_regexp2='testssl.sh: line';
+my $error_regexp3='bash: warning';
+my $error_regexp4='command not found';
+my $error_regexp5='(syntax error|unexpected token)';
+
+printf "\n%s\n", "Testing whether just calling \"./testssl.sh\" produces no error ...";
+$fileout = `timeout 10 bash ./testssl.sh 2>&1`;
+my $retval=$?;
+
+unlike($fileout, qr/$error_regexp1/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp2/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp3/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp4/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp5/, "");
+$tests++;
+
+is($retval, 0, "return value should be equal zero: \"$retval\"");
+$tests++;
+
+done_testing($tests);
+
+
diff --git a/t/01_testssl_banner.t b/t/01_testssl_banner.t
new file mode 100755
index 0000000..7a3ccea
--- /dev/null
+++ b/t/01_testssl_banner.t
@@ -0,0 +1,47 @@
+#!/usr/bin/env perl
+
+# Basics: is there a synatx error where already bash hiccups on?
+# --banner is equal to --version
+
+use strict;
+use Test::More;
+
+my $tests = 0;
+my $fileout="";
+# Blacklists we use to trigger an error:
+my $error_regexp1='(syntax|parse) (e|E)rror';
+my $error_regexp2='testssl.sh: line';
+my $error_regexp3='bash: warning';
+my $error_regexp4='command not found';
+my $error_regexp5='(syntax error|unexpected token)';
+# my $good_regexp='free software.*USAGE w/o ANY WARRANTY.*OWN RISK.*Using.*ciphers.*built(.*)platform';
+my $good_regexp='free software([\s\S]*)USAGE w/o ANY WARRANTY([\s\S]*)OWN RISK([\s\S]*)Using([\s\S]*)ciphers([\s\S]*)built([\s\S]*)platform';
+
+printf "\n%s\n", "Testing whether just calling \"./testssl.sh\" produces no error ...";
+$fileout = `timeout 10 bash ./testssl.sh --banner 2>&1`;
+my $retval=$?;
+
+unlike($fileout, qr/$error_regexp1/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp2/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp3/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp4/, "");
+$tests++;
+
+unlike($fileout, qr/$error_regexp5/, "");
+$tests++;
+
+like($fileout, qr/$good_regexp/, "");
+$tests++;
+
+is($retval, 0, "return value should be equal zero: \"$retval\"");
+$tests++;
+
+done_testing($tests);
+
+
diff --git a/t/01_ca_hashes_up_to_date.t b/t/05_ca_hashes_up_to_date.t
similarity index 100%
rename from t/01_ca_hashes_up_to_date.t
rename to t/05_ca_hashes_up_to_date.t