persistence/play-java-jdbc/src/main/java/play/db/Databases.java
public static Database inMemoryWith(
      String k1, Object v1, String k2, Object v2, String k3, Object v3) {
    return inMemory(ImmutableMap.of(k1, v1, k2, v2, k3, v3));
  }
public static Database inMemoryWith(
      String k1, Object v1, String k2, Object v2, String k3, Object v3) {
    return inMemory(ImmutableMap.of(k1, v1, k2, v2, k3, v3));
  }
Create an in-memory H2 database with name "default" and with extra configuration provided by
the given entries.

@param k1 an H2 configuration key
@param v1 H2 configuration value corresponding to `k1`
@param k2 a second H2 configuration key
@param v2 a configuration value corresponding to `k2`
@param k3 a third H2 configuration key
@param v3 a configuration value corresponding to `k3`
@return a configured in-memory H2 database