DATAMONGO-2255 - Polishing.

Fix test naming for insert extension.

Original pull request: #736.

Author: sdeleuze

spring-data-mongodb/src/test/kotlin/org/springframework/data/mongodb/core/ReactiveInsertOperationExtensionsTests.kt

@@ -50,17 +50,17 @@ class ReactiveInsertOperationExtensionsTests {
 	}
 
 	@Test // DATAMONGO-2209
-	fun terminatingFindAwaitOne() {
+	fun terminatingInsertOneAndAwait() {
 
-		val find = mockk<ReactiveInsertOperation.TerminatingInsert<String>>()
-		every { find.one("foo") } returns Mono.just("foo")
+		val insert = mockk<ReactiveInsertOperation.TerminatingInsert<String>>()
+		every { insert.one("foo") } returns Mono.just("foo")
 
 		runBlocking {
-			assertThat(find.oneAndAwait("foo")).isEqualTo("foo")
+			assertThat(insert.oneAndAwait("foo")).isEqualTo("foo")
 		}
 
 		verify {
-			find.one("foo")
+			insert.one("foo")
 		}
 	}