fix postgres server requirements

Author: littleaj

test/smoke/testApps/Jdbc/src/main/java/com/microsoft/applicationinsights/smoketestapp/JdbcTestServlet.java

@@ -268,7 +268,7 @@ private static Connection getMysqlConnection() throws Exception {
 
     private static Connection getPostgresConnection() throws Exception {
         String hostname = System.getenv("POSTGRES");
-        return DriverManager.getConnection("jdbc:postgresql://" + hostname + "/postgres", "postgres", "");
+        return DriverManager.getConnection("jdbc:postgresql://" + hostname + "/postgres", "postgres", "passw0rd2");
     }
 
     private static Connection getSqlServerConnection() throws Exception {

test/smoke/testApps/Jdbc/src/smokeTest/java/com/microsoft/applicationinsights/smoketestapp/JdbcSmokeTest.java

@@ -28,6 +28,7 @@
         @DependencyContainer(
                 value = "postgres:11",
                 portMapping = "5432",
+                environmentVariables = {"POSTGRES_PASSWORD=passw0rd2"},
                 hostnameEnvironmentVariable = "POSTGRES"),
         @DependencyContainer(
                 value = "mcr.microsoft.com/mssql/server:2017-latest",