fixed: testEnvironment.pl can't find WebGUI modules after installing a prerequisite

docs/changelog/7.x.x.txt

@@ -14,6 +14,7 @@
  - fixed: UserList templates use incorrect variable names
  - fixed: International characters in password prevents login
  - fixed: SelectSlider form control is broken
+ - fixed: testEnvironment.pl can't find WebGUI modules after installing a prerequisite
 
 7.6.0
  - added: users may now customize the post received page for the CS

sbin/testEnvironment.pl

@@ -20,6 +20,7 @@ use strict;
 use CPAN;
 use Getopt::Long;
 use Pod::Usage;
+use Cwd ();
 
 
 my ($os, $prereq, $dbi, $dbDrivers, $simpleReport, $help);
@@ -335,7 +336,9 @@ sub getOs {
 sub installModule {
         my $module = shift;
         print "Attempting to install ".$module."...\n";
+        my $cwd = Cwd::cwd;
         CPAN::Shell->install($module);
+        chdir $cwd;
 }
 
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