Review FirebaseRemoteConfig Tests Unit files (#13364)

Author: MojtabaHs

FirebaseRemoteConfig/Tests/Unit/FIRRemoteConfigComponentTest.m

@@ -116,7 +116,7 @@ - (void)testRegistersAsLibrary {
   XCTAssertEqual(provider, sameProvider);
   XCTAssertEqual(interop, sameInterop);
 
-  // Dynamic typing, both prototols are refering to the same component instance
+  // Dynamic typing, both prototols are referring to the same component instance
   id providerID = provider;
   id interopID = interop;
   XCTAssertEqualObjects(providerID, interopID);

FirebaseRemoteConfig/Tests/Unit/RCNConfigContentTest.m

@@ -326,7 +326,7 @@ - (void)testCheckAndWaitForInitialDatabaseLoad {
 
   // Check that no one of first three calls of `-checkAndWaitForInitialDatabaseLoad` do not produce
   // timeout error <end>.
-  // This make us sure that there no threads "stucked" on `-checkAndWaitForInitialDatabaseLoad`.
+  // This make us sure that there no threads "stuck" on `-checkAndWaitForInitialDatabaseLoad`.
   [self waitForExpectationsWithTimeout:0.5 * kDatabaseLoadTimeoutSecs handler:nil];
 }
 

FirebaseRemoteConfig/Tests/Unit/RCNInstanceIDTest.m

@@ -182,7 +182,7 @@ - (void)mockInstanceIDMethodForTokenAndIdentity:(nullable NSString *)token
                                      tokenError:(nullable NSError *)tokenError
                                        identity:(nullable NSString *)identity
                                   identityError:(nullable NSError *)identityError {
-  // Mock the installations retreival method.
+  // Mock the installations retrieval method.
   _installationsMock = OCMClassMock([FIRInstallations class]);
 
   id installationIDCompletionArg =