refactor: rename all test files to camelCase (#1562)

* rename files to camelCase

* fix imports

* more renames

* pull all client tests out of individual folders

* fix imports

* fix tests

test/client/prepareCheckCash.ts

@@ -0,0 +1,45 @@
+import requests from '../fixtures/requests'
+import responses from '../fixtures/responses'
+import rippled from '../fixtures/rippled'
+import {assertResultMatch, TestSuite} from '../testUtils'
+const instructionsWithMaxLedgerVersionOffset = {maxLedgerVersionOffset: 100}
+
+/**
+ * Every test suite exports their tests in the default object.
+ * - Check out the "TestSuite" type for documentation on the interface.
+ * - Check out "test/client/index.ts" for more information about the test runner.
+ */
+export default <TestSuite>{
+  'prepareCheckCash amount': async (client, address, mockRippled) => {
+    mockRippled.addResponse({command: 'server_info'}, rippled.server_info.normal)
+    const result = await client.prepareCheckCash(
+      address,
+      requests.prepareCheckCash.amount
+    )
+    assertResultMatch(result, responses.prepareCheckCash.amount, 'prepare')
+  },
+
+  'prepareCheckCash deliverMin': async (client, address, mockRippled) => {
+    mockRippled.addResponse({command: 'server_info'}, rippled.server_info.normal)
+    const result = await client.prepareCheckCash(
+      address,
+      requests.prepareCheckCash.deliverMin
+    )
+    assertResultMatch(result, responses.prepareCheckCash.deliverMin, 'prepare')
+  },
+
+  'with ticket': async (client, address, mockRippled) => {
+    mockRippled.addResponse({command: 'server_info'}, rippled.server_info.normal)
+    const localInstructions = {
+      ...instructionsWithMaxLedgerVersionOffset,
+      maxFee: '0.000012',
+      ticketSequence: 23
+    }
+    const result = await client.prepareCheckCash(
+      address,
+      requests.prepareCheckCash.amount,
+      localInstructions
+    )
+    assertResultMatch(result, responses.prepareCheckCash.ticket, 'prepare')
+  }
+}