   
   func testThatRowCountAfterStoreAlwaysBeEqualOne() throws {
     // arrange
-    let beat1 = 56
-    let beat2 = 33
-    let beat3 = 45
+    let beat1 = Int.randomValue()
+    let beat2 = Int.randomValue()
+    let beat3 = Int.randomValue()
     // act
     _ = try setBeat(to: beat1)
     let count1 = try Heartbeat.count()

  
  func testThatRouteGetCurrentValueIfBeatTableIsNotEmpty() throws {
    // arange
    try Heartbeat.makeQuery().delete()
    let beat = 893
    _ = try setBeat(to: beat)
    // act & assert
    try drop

      .assertJSON("beat", equals: beat)
  }
  
  func testThatRouteGet204NoContentForEmptyBeatTable() throws {
    // arange
    try cleanHeartbeatTable()
    // act & assert
    try drop
      .testResponse(to: .get, at: "heartbeat")
