Move t -> tests

tests/hello-1

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Testing standard Hello
+#
+# Copyright (C) 2026 fSD
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+
+ . ./tests/init.sh
+
+cat <<EOF >exp || framework_failure_
+tcpl: Hello, World!
+EOF
+./tcpl >out || fail=1
+compare exp out || fail=1
+
+exit $fail

tests/init.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+ME_=$(basename $0)
+
+framework_failure_() {
+	exit 99
+}
+
+compare() {
+  f1=${1:?file1 required}
+  f2=${2:?file2 required}
+
+  if cmp -s -- "$f1" "$f2" 2>/dev/null; then
+    return 0  # identical
+  fi
+
+  if diff -u -- "$f1" "$f2" 2>/dev/null; then
+    return 0
+  else
+    if diff -- "$f1" "$f2" 2>/dev/null; then
+      return 0
+    else
+      return 1
+    fi
+  fi
+}

tests/name-1

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Testing standard Hello
+#
+# Copyright (C) 2026 fSD
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+
+ . ./tests/init.sh
+
+cat <<EOF >exp || framework_failure_
+tcpl: Hello, Seaman!
+EOF
+./tcpl Seaman >out || fail=1
+compare exp out || fail=1
+
+exit $fail