Suppress Valgrind errors on a per-VM basis.

There are a number of Valgrind errors on Ubuntu 12.04 which do not happen on newer distro versions. However, suppressions for these errors have masked legitimate issues in subsequent code.

Instead, make suppressions VM specific so errors in other VMs are not masked.

test/lib/pgBackRestTest/Common/JobTest.pm

@@ -252,6 +252,9 @@ sub run
 
         if ($self->{oTest}->{&TEST_C})
         {
+            # Build filename for valgrind suppressions
+            my $strValgrindSuppress = $self->{strGCovPath} . '/test/valgrind.suppress.' . $self->{oTest}->{&TEST_VM};
+
             $strCommand =
                 ($self->{oTest}->{&TEST_VM} ne VM_NONE  ? 'docker exec -i -u ' . TEST_USER . " ${strImage} " : '') .
                 "bash -l -c '" .
@@ -259,9 +262,11 @@ sub run
                 # Remove coverage data from last run
                 "rm -f test.gcda && " .
                 "make -j $self->{iBuildMax} -s 2>&1 &&" .
+                # Test with valgrind when requested
                 ($self->{oTest}->{&TEST_VM} ne VM_CO6 && $self->{bValgrindUnit} &&
                     $self->{oTest}->{&TEST_TYPE} ne TESTDEF_PERFORMANCE ?
-                    " valgrind -q --gen-suppressions=all --suppressions=$self->{strGCovPath}/test/valgrind.suppress" .
+                    ' valgrind -q --gen-suppressions=all ' .
+                    ($self->{oStorageTest}->exists($strValgrindSuppress) ? " --suppressions=${strValgrindSuppress}" : '') .
                     " --leak-check=full --leak-resolution=high --error-exitcode=25" : '') .
                 " ./test.bin 2>&1'";
         }