IconTests: update test case name following the format.

jaclync · jaclync · commit 111fee412de6 · 2022-11-15T11:02:05.000+08:00
diff --git a/WooCommerce/WooCommerceTests/Extensions/IconsTests.swift b/WooCommerce/WooCommerceTests/Extensions/IconsTests.swift
@@ -216,7 +216,7 @@ final class IconsTests: XCTestCase {
         XCTAssertNotNil(UIImage.storeImage)
     }
 
-    func testStoreSummaryImageIsNotNil() {
+    func test_storeSummaryImage_is_not_nil() {
         XCTAssertNotNil(UIImage.storeSummaryImage)
     }
 

Original file line number	Diff line number	Diff line change
`@@ -216,7 +216,7 @@ final class IconsTests: XCTestCase {`
`216`	`216`	`XCTAssertNotNil(UIImage.storeImage)`
`217`	`217`	`}`
`218`	`218`
`219`		`- func testStoreSummaryImageIsNotNil() {`
	`219`	`+ func test_storeSummaryImage_is_not_nil() {`
`220`	`220`	`XCTAssertNotNil(UIImage.storeSummaryImage)`
`221`	`221`	`}`
`222`	`222`