Tests for "ssr: true" on dynamic pages (#5728)

**What's this PR?**
Based on the feedback on [this PR](https://github.com/zeit/next.js/pull/5722) @timneutkens asked me to create a test for `ssr: true`

**What's it do?**

- adds a test for setting `ssr: true` - /basic
- adds a test for setting `ssr: true` - /production

test/integration/basic/pages/dynamic/ssr-true.js

@@ -0,0 +1,5 @@
+import dynamic from 'next/dynamic'
+
+const Hello = dynamic(import('../../components/hello1'), { ssr: true })
+
+export default Hello

test/integration/basic/test/dynamic.js

@@ -54,7 +54,7 @@ export default (context, render) => {
       })
     })
     describe('ssr:false option', () => {
-      it('Should render loading on the server side', async () => {
+      it('should render loading on the server side', async () => {
         const $ = await get$('/dynamic/no-ssr')
         expect($('body').html()).not.toContain('"dynamicIds"')
         expect($('p').text()).toBe('loading...')
@@ -73,6 +73,26 @@ export default (context, render) => {
       })
     })
 
+    describe('ssr:true option', () => {
+      it('Should render the component on the server side', async () => {
+        const $ = await get$('/dynamic/ssr-true')
+        expect($('body').html()).toContain('"dynamicIds"')
+        expect($('p').text()).toBe('Hello World 1')
+      })
+
+      it('should render the component on client side', async () => {
+        let browser
+        try {
+          browser = await webdriver(context.appPort, '/dynamic/ssr-true')
+          await check(() => browser.elementByCss('body').text(), /Hello World 1/)
+        } finally {
+          if (browser) {
+            browser.close()
+          }
+        }
+      })
+    })
+
     describe('custom chunkfilename', () => {
       it('should render the correct filename', async () => {
         const $ = await get$('/dynamic/chunkfilename')

test/integration/production/pages/dynamic/ssr-true.js

@@ -0,0 +1,5 @@
+import dynamic from 'next/dynamic'
+
+const Hello = dynamic(import('../../components/hello1'), { ssr: true })
+
+export default Hello

test/integration/production/test/dynamic.js

@@ -30,7 +30,7 @@ export default (context, render) => {
       })
     })
     describe('ssr:false option', () => {
-      it('Should render loading on the server side', async () => {
+      it('should render loading on the server side', async () => {
         const $ = await get$('/dynamic/no-ssr')
         expect($('p').text()).toBe('loading...')
       })
@@ -48,6 +48,25 @@ export default (context, render) => {
       })
     })
 
+    describe('ssr:true option', () => {
+      it('should render the component on the server side', async () => {
+        const $ = await get$('/dynamic/ssr-true')
+        expect($('p').text()).toBe('Hello World 1')
+      })
+
+      it('should render the component on client side', async () => {
+        let browser
+        try {
+          browser = await webdriver(context.appPort, '/dynamic/ssr-true')
+          await check(() => browser.elementByCss('body').text(), /Hello World 1/)
+        } finally {
+          if (browser) {
+            browser.close()
+          }
+        }
+      })
+    })
+
     describe('custom loading', () => {
       it('should render custom loading on the server side when `ssr:false` and `loading` is provided', async () => {
         const $ = await get$('/dynamic/no-ssr-custom-loading')