diff --git a/scripts/bats/20_check.bats b/scripts/bats/20_check.bats
index 72c7761..df25535 100644
--- a/scripts/bats/20_check.bats
+++ b/scripts/bats/20_check.bats
@@ -5,7 +5,11 @@ load 'test/libs/seeds'
 load 'test/libs/sql'
 
 setup_file() {
-  reset_database
+  init_database
+}
+
+teardown_file() {
+  drop_database
 }
 
 setup() {
@@ -49,6 +53,7 @@ EOF
 
   assert_success
   assert_output --partial "All partitions are correctly configured"
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test check return an error when retention partitions are missing" {
@@ -79,6 +84,7 @@ EOF
 
   assert_failure
   assert_output --partial "Found missing tables"
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test check return an error when preProvisioned partitions are missing" {
@@ -109,6 +115,7 @@ EOF
 
   assert_failure
   assert_output --partial "Found missing tables"
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test check succeeding with an UUID partition key" {
diff --git a/scripts/bats/30_provisioning.bats b/scripts/bats/30_provisioning.bats
index c36fae5..eb2f00e 100644
--- a/scripts/bats/30_provisioning.bats
+++ b/scripts/bats/30_provisioning.bats
@@ -6,7 +6,11 @@ load 'test/libs/sql'
 load 'test/libs/time'
 
 setup_file() {
-  reset_database
+  init_database
+}
+
+teardown_file() {
+  drop_database
 }
 
 setup() {
@@ -45,6 +49,8 @@ EOF
   assert_table_exists public $(generate_daily_partition_name ${TABLE} -1) # retention partition
   assert_table_exists public $(generate_daily_partition_name ${TABLE} 0) # current partition
   assert_table_exists public $(generate_daily_partition_name ${TABLE} 1) # preProvisioned partition
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test that preProvisioned and retention partitions can be increased" {
@@ -90,6 +96,8 @@ EOF
   assert_output --partial "All partitions are correctly provisioned"
   assert_table_exists public $(generate_daily_partition_name ${TABLE} -${NEW_RETENTION}) # New retention partition
   assert_table_exists public $(generate_daily_partition_name ${TABLE} ${NEW_PREPROVISIONED}) # New preProvisioned partition
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test monthly partitions" {
@@ -127,6 +135,8 @@ EOF
   assert_table_exists public ${EXPECTED_LAST_TABLE}
   assert_table_exists public ${EXPECTED_CURRENT_TABLE}
   assert_table_exists public ${EXPECTED_NEXT_TABLE}
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test quarterly partitions" {
@@ -157,12 +167,13 @@ EOF
 
   run "$PPM_PROG" run provisioning -c ${CONFIGURATION_FILE}
 
-
   assert_success
   assert_output --partial "All partitions are correctly provisioned"
   assert_table_exists public ${EXPECTED_LAST_TABLE}
   assert_table_exists public ${EXPECTED_CURRENT_TABLE}
   assert_table_exists public ${EXPECTED_NEXT_TABLE}
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test yearly partitions" {
@@ -198,6 +209,8 @@ EOF
   assert_table_exists public ${EXPECTED_LAST_TABLE}
   assert_table_exists public ${EXPECTED_CURRENT_TABLE}
   assert_table_exists public ${EXPECTED_NEXT_TABLE}
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test interval change" {
@@ -228,7 +241,7 @@ EOF
   assert_success
   assert_output --partial "All partitions are correctly provisioned"
 
-  run list_existing_partitions "unittest" "public" ${TABLE}
+  run list_existing_partitions "public" ${TABLE}
 
   local expected_monthly=$(cat <<EOF
 public|test_interv_2024_12|2024-12-01|2025-01-01
@@ -261,9 +274,10 @@ public|test_interv_2025_w15|2025-04-07|2025-04-14
 EOF
   )
 
-  run list_existing_partitions "unittest" "public" ${TABLE}
+  run list_existing_partitions "public" ${TABLE}
   assert_output "$expected_mix"
 
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test provisioning with multiple partition sets in the configuration" {
@@ -301,7 +315,7 @@ public|table_unittest1_2025_02_01|2025-02-01|2025-02-02
 public|table_unittest1_2025_02_02|2025-02-02|2025-02-03
 EOF
   )
-  run list_existing_partitions "unittest" "public" "table_unittest1"
+  run list_existing_partitions "public" "table_unittest1"
   assert_output "$expected1"
 
   local expected2=$(cat <<'EOF'
@@ -313,8 +327,10 @@ public|table_unittest2_2025_02_03|2025-02-03|2025-02-04
 EOF
   )
 
-  run list_existing_partitions "unittest" "public" "table_unittest2"
+  run list_existing_partitions "public" "table_unittest2"
   assert_output "$expected2"
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test that provisioning continues after an error on a partition set" {
@@ -361,8 +377,10 @@ public|${TABLE}_2025_02_03|2025-02-03|2025-02-04
 EOF
   )
 
-  run list_existing_partitions "unittest" "public" "${TABLE}"
+  run list_existing_partitions "public" "${TABLE}"
   assert_output "$expected2"
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test a timestamptz key with provisioning crossing a DST transition " {
@@ -392,7 +410,7 @@ public|${TABLE}_2025_w12|2025-03-17 00:00:00+01|2025-03-24 00:00:00+01
 EOF
   )
 
-  run list_existing_partitions "unittest" "public" ${TABLE}
+  run list_existing_partitions "public" ${TABLE}
   assert_output "$expected_1"
 
   # Now advance one week up to the end of March 2025
@@ -412,7 +430,9 @@ public|${TABLE}_2025_w12|2025-03-17 00:00:00+01|2025-03-24 00:00:00+01
 public|${TABLE}_2025_w13|2025-03-24 00:00:00+01|2025-03-31 00:00:00+02
 EOF
 )
-  run list_existing_partitions "unittest" "public" ${TABLE}
+  run list_existing_partitions "public" ${TABLE}
   assert_output "$expected_2"
 
+  rm "$CONFIGURATION_FILE"
+
 }
diff --git a/scripts/bats/40_cleanup.bats b/scripts/bats/40_cleanup.bats
index 13405b5..137d967 100644
--- a/scripts/bats/40_cleanup.bats
+++ b/scripts/bats/40_cleanup.bats
@@ -5,7 +5,11 @@ load 'test/libs/seeds'
 load 'test/libs/sql'
 
 setup_file() {
-  reset_database
+  init_database
+}
+
+teardown_file() {
+  drop_database
 }
 
 setup() {
@@ -63,6 +67,8 @@ EOF
   for ((i=NEW_RETENTION +1; i<= INITIAL_PREPROVISIONED; i++));do
     assert_table_not_exists public $(generate_daily_partition_name ${TABLE} ${i})
   done
+
+  rm "$CONFIGURATION_FILE"
 }
 
 @test "Test that gaps in the partition set prevent any partition removal" {
@@ -117,7 +123,7 @@ EOF
     expected+="public|${PARTS[i]}|${PARTS[i+1]}|${PARTS[i+2]}"
     (( i+=3 ))
   done
-  run list_existing_partitions "unittest" "public" "${TABLE}"
+  run list_existing_partitions "public" "${TABLE}"
 
   assert_output "$expected"
 
diff --git a/scripts/bats/configuration/template.yaml b/scripts/bats/configuration/template.yaml
index 5339d2f..188e774 100644
--- a/scripts/bats/configuration/template.yaml
+++ b/scripts/bats/configuration/template.yaml
@@ -3,4 +3,4 @@ debug: true
 
 log-format: text
 
-connection-url: postgres://postgres:hackme@localhost/unittest
+#connection-url: postgres://user:password@localhost/dbname
diff --git a/scripts/bats/test/libs/partitions.bash b/scripts/bats/test/libs/partitions.bash
index 2ce1e80..f7ff1a7 100644
--- a/scripts/bats/test/libs/partitions.bash
+++ b/scripts/bats/test/libs/partitions.bash
@@ -41,7 +41,7 @@ generate_daily_partition() {
   local UPPER_BOUND=$(date -d "@$(( $(date +%s) + 86400 * $TIMEDELTA + 86400))" +"%Y-%m-%d")
 
   local QUERY="CREATE TABLE ${TABLE_NAME} PARTITION OF ${PARENT_TABLE} FOR VALUES FROM ('${LOWER_BOUND}') TO ('${UPPER_BOUND}');"
-  execute_sql "${QUERY}"
+  execute_sql "${QUERY}" "$PPM_DATABASE"
 }
 
 generate_daily_partition_name() {
@@ -52,7 +52,7 @@ generate_daily_partition_name() {
 }
 
 generate_table_name() {
-  cat /dev/urandom | head -n 1 | base64 | tr -dc '[:alnum:]' | tr '[:upper:]' '[:lower:]' | cut -c -13 | sed -e 's/^[0-9]/a/g'
+  echo "tbl_"$(random_suffix)
 }
 
 # Generic method to create child partitions with specified ranges
@@ -85,5 +85,5 @@ create_partitions() {
     done
     sql_block="$sql_block
 		COMMIT;";
-    execute_sql_commands "$sql_block"
+    execute_sql_commands "$sql_block" "$PPM_DATABASE"
 }
diff --git a/scripts/bats/test/libs/seeds.bash b/scripts/bats/test/libs/seeds.bash
index 69e84a0..e6ebf7c 100644
--- a/scripts/bats/test/libs/seeds.bash
+++ b/scripts/bats/test/libs/seeds.bash
@@ -1,11 +1,21 @@
+# Emit a random string suitable for unquoted database identifiers (lower case, ASCII)
+# The result may start with a number.
+random_suffix() {
+  head -c 12 /dev/urandom | base64 | tr -dc '[:alnum:]' | tr '[:upper:]' '[:lower:]'
+}
+
 init_database() {
-  QUERY="CREATE DATABASE unittest;"
+  local dbname="ppm_test_"$(random_suffix)
+  QUERY="CREATE DATABASE \"$dbname\" ;"
   execute_sql "${QUERY}" postgres
+  export PPM_DATABASE="$dbname"
+  export PGDATABASE="$dbname"
 }
 
 drop_database() {
-  QUERY="set lock_timeout to '5s'; DROP DATABASE IF EXISTS unittest;"
+  QUERY="set lock_timeout to '5s'; DROP DATABASE IF EXISTS \"$PPM_DATABASE\" ;"
   execute_sql_commands "${QUERY}" postgres
+  unset PPM_DATABASE
 }
 
 reset_database() {
@@ -23,7 +33,7 @@ create_table_from_template() {
     created_at      DATE NOT NULL
   ) PARTITION BY RANGE (created_at);
 EOQ
-  execute_sql "${QUERY}"
+  execute_sql "${QUERY}" "${PPM_DATABASE}"
 }
 
 create_table_uuid_range() {
@@ -61,8 +71,8 @@ generate_configuration_file() {
 
   local FILENAME=$(mktemp).yaml
   yq '. as $item ireduce ({}; . * $item )' "${CONFIGURATION_TEMPLATE_FILE}" "${TEMPORARY_FILE}" > "${FILENAME}"
-
-  echo $FILENAME
+  rm "${TEMPORARY_FILE}"
+  echo "$FILENAME"
 }
 
 # Return a common configuration
diff --git a/scripts/bats/test/libs/sql.bash b/scripts/bats/test/libs/sql.bash
index c380292..522bca9 100644
--- a/scripts/bats/test/libs/sql.bash
+++ b/scripts/bats/test/libs/sql.bash
@@ -2,7 +2,7 @@ execute_sql() {
   local SQL_COMMAND=$1
   local DATABASE=$2
 
-  if [ -z ${DATABASE} ]; then
+  if [ -z "$DATABASE" ]; then
     psql --echo-all --echo-errors -c "${SQL_COMMAND}"
   else
     psql --echo-all --echo-errors --dbname="${DATABASE}" -c "${SQL_COMMAND}"
@@ -13,7 +13,7 @@ execute_sql_file() {
   local SQL_FILE=$1
   local DATABASE=$2
 
-  if [ -z ${DATABASE} ]; then
+  if [ -z "$DATABASE" ]; then
     psql --echo-all --echo-errors -f "${SQL_FILE}"
   else
     psql --echo-all --echo-errors --dbname="${DATABASE}" -f "${SQL_FILE}"
@@ -25,16 +25,23 @@ execute_sql_commands() {
   # $1: sql commands
   # $2: dbname (if unset, psql defaults to $PGDATABASE and then $USER)
 
-  psql --tuples-only --no-align --quiet "$2" <<EOSQL
+  local command="psql --tuples-only --no-align --quiet"
+
+  if [ ! -z "$2" ]; then
+    command="$command --dbname=$2"
+  fi
+
+  $command <<EOSQL
 $1
 EOSQL
 }
 
 list_existing_partitions() {
-  local DATABASE=$1
-  local PARENT_SCHEMA=$2
-  local PARENT_TABLE=$3
-  PGDATABASE="$DATABASE" psql --tuples-only --no-align --quiet -v parent_schema=${PARENT_SCHEMA} -v parent_table=${PARENT_TABLE} <<'EOSQL'
+  # mandatory arguments
+  local PARENT_SCHEMA=$1
+  local PARENT_TABLE=$2
+
+  psql --tuples-only --no-align --quiet --dbname="$PPM_DATABASE" -v parent_schema=${PARENT_SCHEMA} -v parent_table=${PARENT_TABLE} <<'EOSQL'
 WITH parts as (
 	SELECT
 	   relnamespace::regnamespace as schema,
@@ -58,8 +65,8 @@ EOSQL
 }
 
 assert_table_exists() {
-  local SCHEMA=$1
-  local TABLE=$2
+  local SCHEMA="$1"
+  local TABLE="$2"
 
   local QUERY="SELECT EXISTS (
     SELECT
@@ -68,15 +75,15 @@ assert_table_exists() {
     AND table_name = '${TABLE}'
   );"
 
-  run psql --tuples-only --no-align -c "${QUERY}"
+  run psql --dbname="$PPM_DATABASE" --tuples-only --no-align -c "${QUERY}"
 
   assert_success
   assert_output t
 }
 
 assert_table_not_exists() {
-  local SCHEMA=$1
-  local TABLE=$2
+  local SCHEMA="$1"
+  local TABLE="$2"
 
   local QUERY="SELECT EXISTS (
     SELECT
@@ -85,7 +92,7 @@ assert_table_not_exists() {
     AND table_name = '${TABLE}'
   );"
 
-  run psql --tuples-only --no-align -c "${QUERY}"
+  run psql --dbname="$PPM_DATABASE" --tuples-only --no-align -c "${QUERY}"
 
   assert_success
   assert_output f