test-execute: cleanup

This makes rename the test units by a consistent naming scheme,
add several logs, and sort internal functions.
No functional change.

test/test-execute/exec-bind-paths.service

@@ -1,14 +0,0 @@
-[Service]
-Type=oneshot
-# Create a file in /tmp/test-exec_bind_paths
-ExecStart=/bin/sh -c 'touch /tmp/test-exec_bind_paths/thisisasimpletest'
-# Then, the file can be access through /tmp
-ExecStart=/bin/sh -c 'test -f /tmp/thisisasimpletest'
-# Also, through /tmp/test-exec_bind_readonly_paths
-ExecStart=/bin/sh -c 'test -f /tmp/test-exec_bind_readonly_paths/thisisasimpletest'
-# The file cannot modify through /tmp/test-exec_bind_readonly_paths
-ExecStart=/bin/sh -x -c '! touch /tmp/test-exec_bind_readonly_paths/thisisasimpletest'
-# Cleanup
-ExecStart=/bin/sh -c 'rm /tmp/thisisasimpletest'
-BindPaths=/tmp:/tmp/test-exec_bind_paths
-BindReadOnlyPaths=/tmp:/tmp/test-exec_bind_readonly_paths

test/test-execute/exec-bindpaths.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Test for BindPaths= and BindReadOnlyPaths=
+
+[Service]
+Type=oneshot
+# Create a file in /tmp/test-exec-bindpaths
+ExecStart=/bin/sh -c 'touch /tmp/test-exec-bindpaths/thisisasimpletest'
+# Then, the file can be access through /tmp
+ExecStart=/bin/sh -c 'test -f /tmp/thisisasimpletest'
+# Also, through /tmp/test-exec-bindreadonlypaths
+ExecStart=/bin/sh -c 'test -f /tmp/test-exec-bindreadonlypaths/thisisasimpletest'
+# The file cannot modify through /tmp/test-exec-bindreadonlypaths
+ExecStart=/bin/sh -x -c '! touch /tmp/test-exec-bindreadonlypaths/thisisasimpletest'
+# Cleanup
+ExecStart=/bin/sh -c 'rm /tmp/thisisasimpletest'
+BindPaths=/tmp:/tmp/test-exec-bindpaths
+BindReadOnlyPaths=/tmp:/tmp/test-exec-bindreadonlypaths

test/test-execute/exec-readonlypaths-simple.service

@@ -1,3 +1,6 @@
+[Unit]
+Description=Test for ReadOnlyPaths=
+
 [Service]
 Type=oneshot
 # This should work, as we explicitly disable the effect of ReadOnlyPaths=

test/test-execute/exec-specifier.service

@@ -1,3 +1,6 @@
+[Unit]
+Description=Test for specifiers
+
 [Service]
 Type=oneshot
 ExecStart=/usr/bin/test %n = exec-specifier.service

test/test-execute/exec-specifier@.service

@@ -1,3 +1,6 @@
+[Unit]
+Description=Test for specifiers (template unit)
+
 [Service]
 Type=oneshot
 ExecStart=/usr/bin/test %n = exec-specifier@foo-bar.service