changed test for searching by incomplete word to expect correct answer, added test for searching by missing word

matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/session/search/SearchMessagesTest.kt

@@ -76,7 +76,7 @@ class SearchMessagesTest : InstrumentedTest {
 
     @Test
     fun sendTextMessageAndSearchPartOfItIncompleteWord() {
-        doTest(expectedNumberOfResult = 0) { cryptoTestData ->
+        doTest(expectedNumberOfResult = 2) { cryptoTestData ->
             cryptoTestData.firstSession
                     .searchService()
                     .search(
@@ -92,6 +92,24 @@ class SearchMessagesTest : InstrumentedTest {
         }
     }
 
+    @Test
+    fun sendTextMessageAndSearchMissingWord() {
+        doTest(expectedNumberOfResult = 0) { cryptoTestData ->
+            cryptoTestData.firstSession
+                    .searchService()
+                    .search(
+                            searchTerm = "Missing", /* missing word */
+                            roomId = cryptoTestData.roomId,
+                            limit = 10,
+                            includeProfile = true,
+                            afterLimit = 0,
+                            beforeLimit = 10,
+                            orderByRecent = true,
+                            nextBatch = null
+                    )
+        }
+    }
+
     private fun doTest(
             expectedNumberOfResult: Int = 2,
             block: suspend (CryptoTestData) -> SearchResult,