.BR --tests-tree " " \fIdirectory\fR
Specifies that tests from the built source tree
.IR directory
-should be run.
+should be run. Note that the packages that would normally be
+installed as a result of \fB*\fR in the tests' \fBDepends\fR field
+(which includes the case where the \fBDepends\fR field is not
+specified) are \fInot\fR installed. The caller must explicitly
+instruct \fBadt-run\fR to install any relevant packages.
.TP
.BR --source " " \fIdsc\fR
Builds \fIdsc\fR. The resulting binaries will (by default) be used to